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 3.1

6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-26)

CWE

CWE-79

Published

2026-04-14

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• adobe:connect
• adobe:connect_desktop_application

References

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

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