CVE-2021-36911 - Vulnerability Details - OpenCVE

Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <= 1.0), could be exploited by users with Editor or higher role.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Comment Engine Pro Project	Comment Engine Pro

Configuration 1 [-]

cpe:2.3:a:comment_engine_pro_project:comment_engine_pro:*:*:*:*:*:wordpress:*:*

No data.

References

Link	Providers
https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability
https://wordpress.org/plugins/comment-engine-pro/

History

Fri, 28 Mar 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Patchstack

Published: 2021-12-10T16:47:40.223Z

Updated: 2025-03-28T16:45:04.792Z

Reserved: 2021-07-19T00:00:00.000Z

Link: CVE-2021-36911

Vulnrichment

Updated: 2024-08-04T01:01:59.932Z

NVD

Status : Modified

Published: 2021-12-10T17:15:07.537

Modified: 2024-11-21T06:14:17.263

Link: CVE-2021-36911

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "Comment Engine Pro (WordPress plugin)", "vendor": "@rex1989", "versions": [{"lessThanOrEqual": "1.0", "status": "affected", "version": "<= 1.0", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Vulnerability discovered by John Castro (Pagely)."}], "datePublic": "2021-10-07T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <= 1.0), could be exploited by users with Editor or higher role."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-12-10T16:47:40.000Z", "orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://wordpress.org/plugins/comment-engine-pro/"}, {"tags": ["x_refsource_MISC"], "url": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability"}], "solutions": [{"lang": "en", "value": "Deactivate and delete."}], "source": {"discovery": "UNKNOWN"}, "title": "WordPress Comment Engine Pro plugin <= 1.0 - Stored Cross-Site Scripting (XSS) vulnerability", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "audit@patchstack.com", "DATE_PUBLIC": "2021-10-07T10:22:00.000Z", "ID": "CVE-2021-36911", "STATE": "PUBLIC", "TITLE": "WordPress Comment Engine Pro plugin <= 1.0 - Stored Cross-Site Scripting (XSS) vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Comment Engine Pro (WordPress plugin)", "version": {"version_data": [{"version_affected": "<=", "version_name": "<= 1.0", "version_value": "1.0"}]}}]}, "vendor_name": "@rex1989"}]}}, "credit": [{"lang": "eng", "value": "Vulnerability discovered by John Castro (Pagely)."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <= 1.0), could be exploited by users with Editor or higher role."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "references": {"reference_data": [{"name": "https://wordpress.org/plugins/comment-engine-pro/", "refsource": "CONFIRM", "url": "https://wordpress.org/plugins/comment-engine-pro/"}, {"name": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability", "refsource": "MISC", "url": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability"}]}, "solution": [{"lang": "en", "value": "Deactivate and delete."}], "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:01:59.932Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://wordpress.org/plugins/comment-engine-pro/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-03-28T16:45:01.834355Z", "id": "CVE-2021-36911", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-28T16:45:04.792Z"}}]}, "cveMetadata": {"assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "assignerShortName": "Patchstack", "cveId": "CVE-2021-36911", "datePublished": "2021-12-10T16:47:40.223Z", "dateReserved": "2021-07-19T00:00:00.000Z", "dateUpdated": "2025-03-28T16:45:04.792Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://wordpress.org/plugins/comment-engine-pro/", "tags": ["x_refsource_CONFIRM", "x_transferred"]}, {"url": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:01:59.932Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-36911", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-03-28T16:45:01.834355Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-28T16:44:51.244Z"}}], "cna": {"title": "WordPress Comment Engine Pro plugin <= 1.0 - Stored Cross-Site Scripting (XSS) vulnerability", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "value": "Vulnerability discovered by John Castro (Pagely)."}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "@rex1989", "product": "Comment Engine Pro (WordPress plugin)", "versions": [{"status": "affected", "version": "<= 1.0", "versionType": "custom", "lessThanOrEqual": "1.0"}]}], "solutions": [{"lang": "en", "value": "Deactivate and delete."}], "datePublic": "2021-10-07T00:00:00.000Z", "references": [{"url": "https://wordpress.org/plugins/comment-engine-pro/", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability", "tags": ["x_refsource_MISC"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <= 1.0), could be exploited by users with Editor or higher role."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Cross-site Scripting (XSS)"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2021-12-10T16:47:40.000Z"}, "x_legacyV4Record": {"credit": [{"lang": "eng", "value": "Vulnerability discovered by John Castro (Pagely)."}], "impact": {"cvss": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}}, "source": {"discovery": "UNKNOWN"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_name": "<= 1.0", "version_value": "1.0", "version_affected": "<="}]}, "product_name": "Comment Engine Pro (WordPress plugin)"}]}, "vendor_name": "@rex1989"}]}}, "solution": [{"lang": "en", "value": "Deactivate and delete."}], "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://wordpress.org/plugins/comment-engine-pro/", "name": "https://wordpress.org/plugins/comment-engine-pro/", "refsource": "CONFIRM"}, {"url": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability", "name": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <= 1.0), could be exploited by users with Editor or higher role."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79 Cross-site Scripting (XSS)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-36911", "STATE": "PUBLIC", "TITLE": "WordPress Comment Engine Pro plugin <= 1.0 - Stored Cross-Site Scripting (XSS) vulnerability", "ASSIGNER": "audit@patchstack.com", "DATE_PUBLIC": "2021-10-07T10:22:00.000Z"}}}}, "cveMetadata": {"cveId": "CVE-2021-36911", "state": "PUBLISHED", "dateUpdated": "2025-03-28T16:45:04.792Z", "dateReserved": "2021-07-19T00:00:00.000Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2021-12-10T16:47:40.223Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:comment_engine_pro_project:comment_engine_pro:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "665D9FDE-4860-4D93-9E67-7E8239821991", "versionEndIncluding": "1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Comment Engine Pro plugin (versions <= 1.0), could be exploited by users with Editor or higher role."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad de tipo Cross-Site Scripting (XSS) Almacenado en el plugin Comment Engine Pro de WordPress (versiones anteriores a 1.0 incluy\u00e9ndola), que podr\u00eda ser explotada por usuarios con rol de Editor o superior"}], "id": "CVE-2021-36911", "lastModified": "2024-11-21T06:14:17.263", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.7, "impactScore": 2.7, "source": "audit@patchstack.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-10T17:15:07.537", "references": [{"source": "audit@patchstack.com", "tags": ["Third Party Advisory"], "url": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability"}, {"source": "audit@patchstack.com", "tags": ["Product", "Third Party Advisory"], "url": "https://wordpress.org/plugins/comment-engine-pro/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://patchstack.com/database/vulnerability/comment-engine-pro/wordpress-comment-engine-pro-plugin-1-0-stored-cross-site-scripting-xss-vulnerability"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Third Party Advisory"], "url": "https://wordpress.org/plugins/comment-engine-pro/"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "audit@patchstack.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}