What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-10-27 · updated 2026-10-19
• Weakness: CWE-345

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

• chatwoot/chatwoot: through 4.7.0

References

• https://hckwr.com/blog/multiple-vulnerabilities-in-chatwoot/
• https://vuldb.com/?ctiid.329916
• https://vuldb.com/?id.329916
• https://vuldb.com/?submit.673800

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