chatwoot vulnerability

A vulnerability was identified in chatwoot up to 4.7.0. This vulnerability affects the function initPostMessageCommunication of the file app/javascript/sdk/IFrameHelper.js of the component Widget. The manipulation of the argument baseUrl leads to origin validation error. Remote exploitation of the attack is possible. The vendor was contacted early about this disclosure but did not respond in any way.

Published 27 Oct 2025Updated 19 Oct 20269 sources
CVSS 5.5 ✓ VERIFIED REFERENCE

What happened

A vulnerability was identified in chatwoot up to 4.7.0. This vulnerability affects the function initPostMessageCommunication of the file app/javascript/sdk/IFrameHelper.js of the component Widget. The manipulation of the argument baseUrl leads to origin validation error. Remote exploitation of the attack is possible. The vendor was contacted early about this disclosure but did not respond in any way.

Affected versions

chatwoot: 4.0; 4.1; 4.2; 4.3; 4.4; 4.5; 4.6; 4.7.0 Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

RepositoryAuthorFirst seenReference
hckwr.comNVD reference2025-10-27Verified