CVE-2026-113355

Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links

Published Oct 20, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links
First Time appeared Chatwoot
Chatwoot chatwoot
Weaknesses CWE-79
CPEs cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*
Vendors & Products Chatwoot
Chatwoot chatwoot
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 20, 2026, 1:25 PM
Reserved
Oct 20, 2026, 1:07 AM
Status
Awaiting Analysis
Published
Oct 20, 2026, 11:17 AM
Modified
Oct 20, 2026, 8:06 PM