WordPress Plugin WP Symposium Pro 2021.10 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by exploiting insufficient sanitization of the forum name parameter. Attackers can submit POST requests to the admin setup page with JavaScript payloads in the wps_admin_forum_add_name parameter, which are stored and executed when the forum is accessed.
History

Mon, 11 May 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 10 May 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Vendors & Products Wordpress
Wordpress wordpress

Sun, 10 May 2026 13:00:00 +0000

Type Values Removed Values Added
Description WordPress Plugin WP Symposium Pro 2021.10 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by exploiting insufficient sanitization of the forum name parameter. Attackers can submit POST requests to the admin setup page with JavaScript payloads in the wps_admin_forum_add_name parameter, which are stored and executed when the forum is accessed.
Title WordPress Plugin WP Symposium Pro 2021.10 Stored XSS via wps_admin_forum_add_name
First Time appeared Wpsymposiumpro
Wpsymposiumpro wp Symposium Pro
Weaknesses CWE-79
CPEs cpe:2.3:a:wpsymposiumpro:wp_symposium_pro:2021.10:*:*:*:*:*:*:*
Vendors & Products Wpsymposiumpro
Wpsymposiumpro wp Symposium Pro
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-11T13:23:57.824Z

Reserved: 2026-02-01T11:24:18.716Z

Link: CVE-2021-47927

cve-icon Vulnrichment

Updated: 2026-05-11T13:18:10.023Z

cve-icon NVD

Status : Deferred

Published: 2026-05-10T13:16:28.707

Modified: 2026-05-12T14:24:15.210

Link: CVE-2021-47927

cve-icon Redhat

No data.