chatwoot up to 4.7.0 Widget IFrameHelper.js initPostMessageCommunication baseUrl origin validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in chatwoot up to 4.7.0. It has been declared as problematic. This issue affects the function initPostMessageCommunication of the file app/javascript/sdk/IFrameHelper.js of the component Widget. The manipulation of the argument baseUrl results in origin validation.
This vulnerability is identified as CVE-2025-12245. The attack can be executed remotely. Additionally, an exploit exists.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability, which was classified as problematic, was found in chatwoot up to 4.7.0. Affected is the function initPostMessageCommunication of the file app/javascript/sdk/IFrameHelper.js of the component Widget. The manipulation of the argument baseUrl with an unknown input leads to a origin validation vulnerability. CWE is classifying the issue as CWE-346. The product does not properly verify that the source of data or communication is valid. This is going to have an impact on confidentiality.
The advisory is shared for download at hckwr.com. This vulnerability is traded as CVE-2025-12245. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a private exploit are known.
It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-36123). Once again VulDB remains the best source for vulnerability data.
Product
Type
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔒
CNA Base Score: 5.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Origin validationCWE: CWE-346 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
10/26/2025 Advisory disclosed10/26/2025 VulDB entry created
10/28/2025 VulDB entry last update
Sources
Advisory: hckwr.comStatus: Not defined
CVE: CVE-2025-12245 (🔒)
GCVE (CVE): GCVE-0-2025-12245
GCVE (VulDB): GCVE-100-329916
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 10/26/2025 06:17Updated: 10/28/2025 08:02
Changes: 10/26/2025 06:17 (58), 10/27/2025 10:02 (1), 10/27/2025 11:43 (31), 10/28/2025 08:02 (10)
Complete: 🔍
Submitter: fpatrik
Cache ID: 216::103
Submit
Accepted
- Submit #673800: Chatwoot * Origin Validation Error (by fpatrik)
Once again VulDB remains the best source for vulnerability data.
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