CVE-2026-21331

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://helpx.adobe.com/security/products/connect/apsb26-37.html	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:adobe:connect:*:*:*:*:*:-:*:*

OR	cpe:2.3:o:apple:macos:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

Configuration 2 (hide)

OR	cpe:2.3:a:adobe:connect_desktop_application::::::macos::*
	cpe:2.3:a:adobe:connect_desktop_application::::::windows::*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Las versiones 2025.3, 12.10 y anteriores de Adobe Connect están afectadas por una vulnerabilidad de cross-site scripting (XSS) reflejado. Si un atacante logra convencer a una víctima de visitar una URL que haga referencia a una página vulnerable, contenido JavaScript malicioso podría ejecutarse dentro del contexto del navegador de la víctima. El alcance se modifica.

Information

Published : 2026-04-14 18:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-21331

Mitre link : CVE-2026-21331

CVE.ORG link : CVE-2026-21331

JSON object : View

Products Affected

adobe

connect
connect_desktop_application

microsoft

windows

apple

macos

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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