CVE-2026-21331 - Vulnerability Details - OpenCVE

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Adobe	Adobe Connect

No data.

No data.

References

Link	Providers
https://www.spirityenterprise.com/pentest
https://helpx.adobe.com/security/products/connect/apsb26-37.html

History

Wed, 15 Apr 2026 15:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Adobe Adobe adobe Connect
Vendors & Products		Adobe Adobe adobe Connect

Tue, 14 Apr 2026 19:15:00 +0000

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

Tue, 14 Apr 2026 18:00:00 +0000

Type	Values Removed	Values Added
Description		Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed.
Title		Adobe Connect \| Cross-site Scripting (Reflected XSS) (CWE-79)
Weaknesses		CWE-79
References		https://helpx.adobe.com/security/products/connect/apsb26-37.html
Metrics		cvssV3_1 `{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}`

MITRE

Status: PUBLISHED

Assigner: adobe

Published: 2026-04-14T17:33:48.648Z

Updated: 2026-04-14T18:33:21.646Z

Reserved: 2025-12-12T22:01:18.195Z

Link: CVE-2026-21331

Vulnrichment

Updated: 2026-04-14T18:33:05.747Z

NVD

Status : Awaiting Analysis

Published: 2026-04-14T18:16:43.953

Modified: 2026-04-15T16:14:07.857

Link: CVE-2026-21331

Redhat

No data.

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