CVE-2026-121904 Adobe Connect | Cross-site Scripting (Stored XSS) (CWE-79)

Critical 9.6 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-121904?

CVE-2026-121904 is a critical vulnerability in Adobe Connect, published on 10 Nov 2026.

Official description

Adobe Connect is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field, potentially gaining elevated access or control over the victim's account or session. Scope is changed.

Weakness: CWE-79

Which versions are affected by CVE-2026-121904?

How do I fix CVE-2026-121904?

No fix has been published for CVE-2026-121904 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-121904 being exploited?

There is no known exploitation of CVE-2026-121904 in the wild and no public exploit code.

Sources

Also known as GHSA-3q54-3gqx-2385.

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