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

> Attackers can bypass origin validation in the Chatwoot widget's postMessage communication, potentially enabling unauthorized interactions.

- **Severity:** Medium 6.9 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Oct 2025
- **Updated:** 26 Feb 2026
- **Also known as:** GHSA-hgg8-54gw-8v33

## What is CVE-2025-12245?

CVE-2025-12245 is a medium-severity vulnerability in chatwoot, published on 27 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### 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.

Weakness: CWE-346 (Origin Validation Error), CWE-345 (Insufficient Verification of Data Authenticity)

## Which versions are affected by CVE-2025-12245?

It affects 1 product.


Products: Chatwoot Chatwoot.

## How do I fix CVE-2025-12245?

No fix has been published for CVE-2025-12245 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-12245 being exploited?

There is no known exploitation of CVE-2025-12245 in the wild and no public exploit code.

## Other vulnerabilities in chatwoot

- [CVE-2022-3741](https://insights.sbomify.com/CVE-2022-3741/): Improper Restriction of Excessive Authentication Attempts in chatwoot/chatwoot (critical 9.4)
- [CVE-2025-21628](https://insights.sbomify.com/CVE-2025-21628/): Chatwoot has a Blind SQL-injection in Conversation and Contacts filters (critical 9.1)
- [CVE-2022-0542](https://insights.sbomify.com/CVE-2022-0542/): Cross-site Scripting (XSS) - DOM in chatwoot/chatwoot (high 8.8)
- [CVE-2022-1022](https://insights.sbomify.com/CVE-2022-1022/): Cross-site Scripting (XSS) - Stored in chatwoot/chatwoot (high 8.1)
- [CVE-2021-3742](https://insights.sbomify.com/CVE-2021-3742/): Server-Side Request Forgery (SSRF) in chatwoot/chatwoot (high 7.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-12245 and fix it if it is affected.

What it is: CVE-2025-12245 is a medium-severity vulnerability in chatwoot, published on 27 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-12245 in the wild and no public exploit code.

Affected product: chatwoot. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-12245/ (Markdown: https://insights.sbomify.com/CVE-2025-12245/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-12245
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-12245
- OSV: https://osv.dev/vulnerability/CVE-2025-12245

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-12245/
Summaries are generated and may contain mistakes; the official description above is the record.