# CVE-2022-4142: WordPress Filter Gallery Plugin < 0.1.6 - Admin+ Stored XSS

> Administrators can inject malicious scripts into the Filter Gallery plugin settings page via unescaped AJAX inputs, bypassing HTML filtering restrictions.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 2 Jan 2023
- **Updated:** 10 Apr 2025
- **Also known as:** GHSA-3vr6-r8gf-6wr6

## What is CVE-2022-4142?

CVE-2022-4142 is a medium-severity cross-site scripting vulnerability in Unknown WordPress Filter Gallery Plugin, published on 2 Jan 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The WordPress Filter Gallery Plugin WordPress plugin before 0.1.6 does not properly escape the filters passed in the ufg_gallery_filters ajax action before outputting them on the page, allowing a high privileged user such as an administrator to inject HTML or javascript to the plugin settings page, even when the unfiltered_html capability is disabled.

## Which versions are affected by CVE-2022-4142?

It affects 1 product.


Products: Wordpress Filter Gallery Project Wordpress Filter Gallery.

## How do I fix CVE-2022-4142?

No fix has been published for CVE-2022-4142 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4142 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4142 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4142 and fix it if it is affected.

What it is: CVE-2022-4142 is a medium-severity cross-site scripting vulnerability in Unknown WordPress Filter Gallery Plugin, published on 2 Jan 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4142 exists.

Affected product: Unknown WordPress Filter Gallery 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-2022-4142/ (Markdown: https://insights.sbomify.com/CVE-2022-4142/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4142
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4142
- OSV: https://osv.dev/vulnerability/CVE-2022-4142

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-4142/
Summaries are generated and may contain mistakes; the official description above is the record.