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Back to active CVEs
Medium · CVSS 4.8CVE-2026-113355

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

Answer in brief

CVE-2026-113355 records a Medium severity (CVSS 4.8) vulnerability in Chatwoot before 4.14.0 Stored XSS via Help Center Video Embed Links. The current sources do not mark it as known exploited. The current feed maps chatwoot/chatwoot (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 20, 2026Updated Oct 20, 2026Source checked Oct 20, 2026First seen by HOL Oct 20, 2026Material review Oct 20, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 4.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps chatwoot/chatwoot (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
chatwoot/chatwootgeneric>=0 <4.14.04.14.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for chatwoot/chatwoot.
  2. 2Review the reported fix. Update chatwoot/chatwoot to 4.14.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 20, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress Brizy plugin 2.8.23 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • react-admin before 5.15.5 Stored XSS via UrlField and FileFieldAlso CWE-79
  • Optimal IdM OptimalCloud Login cross site scriptingAlso CWE-79
  • Cross-Site Scripting in extension "TYPO3 Fluid-Form by coding.ms" (fluid_form)Also CWE-79
  • Cypht 2.0.0 through 2.12.2 Stored DOM XSS via externalResources.jsAlso CWE-79
  • Unblu Spark Cross-Site Scripting in Embedded Co-BrowsingAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 20, 2026
References
5 linked sources
Open source record