CVE-2026-113355 Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links

Medium 4.8 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-113355?

CVE-2026-113355 is a medium-severity vulnerability in chatwoot, published on 20 Oct 2026.

Official description

Chatwoot before 4.14.0 contains a stored cross-site scripting vulnerability that allows account administrators to inject JavaScript by crafting video-embed links in Help Center articles. Attackers can use angle-bracket link destinations with double quotes to break out of the unescaped iframe src attribute in render_embed_from_match, executing scripts for public visitors and stealing cw_conversation widget tokens.

Weakness: CWE-79

Which versions are affected by CVE-2026-113355?

How do I fix CVE-2026-113355?

No fix has been published for CVE-2026-113355 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-113355 being exploited?

There is no known exploitation of CVE-2026-113355 in the wild and no public exploit code.

Sources

Also known as GHSA-v2m9-jwmw-39xc.

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