CVE-2025-12245
chatwoot Widget IFrameHelper.js initPostMessageCommunication origin validation
- State
- Published
- Severity
- 6.9 Medium
- Published
- Oct 27, 2025
- Updated
- Feb 26, 2026
- Reserved
- Oct 26, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
chatwootn/a |
|
References
- VDB-329916 | chatwoot Widget IFrameHelper.js initPostMessageCommunication origin validationvdb-entrytechnical-description
- VDB-329916 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #673800 | Chatwoot * Origin Validation Errorthird-party-advisory
- https://hckwr.com/blog/multiple-vulnerabilities-in-chatwoot/related
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