CVE-2026-113355
4.8 MEDIUMpublic exploit availablePublished 2026-10-20 · Updated 2026-10-20
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79
Public exploit & PoC references
- https://github.com/chatwoot/chatwoot/blob/88ffa329eb6e18ae06b608d8b4bab96c0e1b8f44/lib/custom_markdown_renderer.rb#L75-L84
- https://github.com/chatwoot/chatwoot/commit/2192af80f405c70e3021191ff8b3f7e539c35e9d
- https://github.com/chatwoot/chatwoot/pull/14140
- https://github.com/chatwoot/chatwoot/releases/tag/v4.14.0
All references
- https://github.com/chatwoot/chatwoot/blob/88ffa329eb6e18ae06b608d8b4bab96c0e1b8f44/lib/custom_markdown_renderer.rb#L75-L84
- https://github.com/chatwoot/chatwoot/commit/2192af80f405c70e3021191ff8b3f7e539c35e9d
- https://github.com/chatwoot/chatwoot/pull/14140
- https://github.com/chatwoot/chatwoot/releases/tag/v4.14.0
- https://www.vulncheck.com/advisories/chatwoot-before-4.14.0-stored-xss-via-help-center-video-embed-links
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- MEDIUMCVE-2012-20003PoC
- MEDIUMCVE-2012-20004PoC
- MEDIUMCVE-2012-20005PoC
- MEDIUMCVE-2014-125131PoC
- MEDIUMCVE-2014-125132PoC
- MEDIUMCVE-2016-20098PoC
- MEDIUMCVE-2016-20102PoC
- MEDIUMCVE-2017-20288PoC
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