CVE-2026-21331

Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)

State: Published
Severity: 6.1 Medium
Published: Apr 14, 2026
Updated: Aug 27, 2026
Reserved: Dec 12, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	6.1 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	adobe

Weaknesses

CWE-79 Cross-site Scripting (Reflected XSS) (CWE-79)

Affected Products

Product	Versions
Adobe ConnectAdobe	12.10 and earlierAffected 12.11Not affected
Adobe Connect Desktop ApplicationAdobe	2025.3 and earlierAffected 2025.9Not affected

References

https://helpx.adobe.com/security/products/connect/apsb26-37.htmlvendor-advisory

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