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TI-2021-02675 Aliases CVE-2021-3742GHSA-gvwh-c4r7-8fm9

Server-Side Request Forgery (SSRF) in chatwoot/chatwoot

Priority MEDIUM 40CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A Server-Side Request Forgery (SSRF) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.5.0. The vulnerability allows an attacker to upload an SVG file containing a malicious SSRF payload. When the SVG file is used as an avatar and opened in a new tab, it can trigger the SSRF, potentially leading to host redirection.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00397 34th percentileScored 2026-11-07
Fix Fixed chatwoot/chatwoot (chatwoot): 2.5.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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 2.5.02.5.0Patch availableCNA
  • chatwoot/chatwoot Vendorchatwoot Affected before 2.5.0 Fixed in 2.5.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*before 2.5.0Vulnerablechatwoot
  • cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:* Versions before 2.5.0 Vulnerable ·chatwoot

Remediation

  • Fix · CNA chatwoot/chatwoot (chatwoot) Fixed in 2.5.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3742
  2. 2026-10-03 Alias added: GHSA-gvwh-c4r7-8fm9

References

  • 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-2021-02593 Inefficient Regular Expression Complexity in chatwoot/chatwoot CVSS 3.1HIGH 7.5
See all 16 →

Sources