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CVE-2025-12245

chatwoot Widget IFrameHelper.js initPostMessageCommunication origin validation

MEDIUM
5.3
CVSS Score
Published: October 27, 2025 at 07:32 AM UTC
Updated: October 19, 2026 at 01:10 PM UTC
1 product affected across 1 vendorChatwoot

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.329916
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.329916
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.673800
RelatedExploitThird Party Advisory
Source: cverecord
https://hckwr.com/blog/multiple-vulnerabilities-in-chatwoot/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusANALYZED
CWE
CWE-346CWE-345

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