Vulnerability · Published Oct 27, 2025 · Assigned by VulDB

CVE-2025-12245chatwoot Widget IFrameHelper.js initPostMessageCommunication origin validation

Medium 5.3

In plain English

A medium-severity insufficient verification of data authenticity in chatwoot. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 74.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	chatwoot	4.04.14.24.34.44.54.64.7.0

Weakness: CWE-346, CWE-345 · Vector: 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

References

VDB-329916 | chatwoot Widget IFrameHelper.js initPostMessageCommunication origin validation vdb-entry, technical-description
VDB-329916 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #673800 | Chatwoot * Origin Validation Error third-party-advisory
https://hckwr.com/blog/multiple-vulnerabilities-in-chatwoot/ related