CVE-2026-21331

Medium

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.

SeverityMedium

CVSS6.1

Exploit probability—

Product

Adobe Connect

PublishedApr 14, 2026

First seenApr 14, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

adobe connect12.11 or later
adobe connect_desktop_application2025.9.15 or later

Vendor advisories

helpx.adobe.com/security/products/connect/apsb26-37.html

Affected products

Product	Affected versions	Fixed in
adobe connect	v < 12.11	12.11
adobe connect_desktop_application	v ≤ 2025.3, v < 2025.9.15	2025.9.15

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