# CVE-2022-27850: WordPress Simple Ajax Chat plugin <= 20220115 - Multiple Cross-Site Request Forgery (CSRF) vulnerability

> An attacker can trick users into clearing chat logs or deleting messages in the Simple Ajax Chat WordPress plugin via CSRF.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 15 Apr 2022
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-q5jr-9g29-g3mv

## What is CVE-2022-27850?

CVE-2022-27850 is a medium-severity vulnerability in Jeff Starr Simple Ajax Chat (WordPress plugin), published on 15 Apr 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Cross-Site Request Forgery (CSRF) in Simple Ajax Chat (WordPress plugin) <= 20220115 allows an attacker to clear the chat log or delete a chat message.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2022-27850?

It affects 1 product.


Products: Plugin-Planet Simple Ajax Chat.

## How do I fix CVE-2022-27850?

No fix has been published for CVE-2022-27850 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-27850 being exploited?

There is no known exploitation of CVE-2022-27850 in the wild and no public exploit code.

## Other vulnerabilities in Jeff Starr Simple Ajax Chat (WordPress plugin)

- [CVE-2024-1983](https://insights.sbomify.com/CVE-2024-1983/): Simple Ajax Chat < 20240223 - Unauthenticated Stored XSS (high 7.1)
- [CVE-2024-2470](https://insights.sbomify.com/CVE-2024-2470/): Simple Ajax Chat < 20240412 - Admin+ Stored XSS (medium 5.4)
- [CVE-2022-27849](https://insights.sbomify.com/CVE-2022-27849/): WordPress Simple Ajax Chat plugin <= 20220115 - Sensitive Information Disclosure vulnerability (medium 5.3)
- [CVE-2022-25610](https://insights.sbomify.com/CVE-2022-25610/): WordPress Simple Ajax Chat plugin <= 20220115 - Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability (low 3.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-27850 and fix it if it is affected.

What it is: CVE-2022-27850 is a medium-severity vulnerability in Jeff Starr Simple Ajax Chat (WordPress plugin), published on 15 Apr 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-27850 in the wild and no public exploit code.

Affected product: Jeff Starr Simple Ajax Chat (WordPress plugin). 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-2022-27850/ (Markdown: https://insights.sbomify.com/CVE-2022-27850/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-27850
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-27850
- OSV: https://osv.dev/vulnerability/CVE-2022-27850

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-27850/
Summaries are generated and may contain mistakes; the official description above is the record.