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TI-2021-02674 Aliases CVE-2021-3741GHSA-jwrg-4wf2-p7jw

Stored Cross-site Scripting (XSS) in chatwoot/chatwoot

Priority LOW 24CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A stored cross-site scripting (XSS) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.6. The vulnerability occurs when a user uploads an SVG file containing a malicious XSS payload in the profile settings. When the avatar is opened in a new page, the custom JavaScript code is executed, leading to potential security risks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00301 22nd percentileScored 2026-11-07
Fix Fixed chatwoot/chatwoot (chatwoot): 2.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
chatwootchatwoot/chatwootbefore 2.62.6Patch availableCNA
  • chatwoot/chatwoot Vendorchatwoot Affected before 2.6 Fixed in 2.6 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*before 2.6.0Vulnerablechatwoot
  • cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:* Versions before 2.6.0 Vulnerable ·chatwoot

Remediation

  • Fix · CNA chatwoot/chatwoot (chatwoot) Fixed in 2.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3741
  2. 2026-10-03 Alias added: GHSA-jwrg-4wf2-p7jw

References

Other 2

  • TI-2022-03436 Improper Restriction of Excessive Authentication Attempts in chatwoot/chatwoot CVSS 3.1CRITICAL 9.8
  • TI-2023-01984 Cross-site Scripting (XSS) - DOM in chatwoot/chatwoot CVSS 3.1MEDIUM 6.1
  • TI-2025-11229 chatwoot Admin IframeLoader.vue cross site scripting CVSS 4.0MEDIUM 5.3
  • TI-2024-00591 Stored XSS in chatwoot/chatwoot CVSS 3.1MEDIUM 4.8
  • TI-2025-15587 Chatwoot has a Blind SQL-injection in Conversation and Contacts filters CVSS 3.1CRITICAL 9.1
  • TI-2021-02675 Server-Side Request Forgery (SSRF) in chatwoot/chatwoot CVSS 3.1HIGH 8.8
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences