# CVE-2025-25163: WordPress Plugin A/B Image Optimizer Plugin <= 3.3 - Arbitrary File Download vulnerability

> An attacker can exploit a path traversal flaw in the A/B Image Optimizer plugin to download arbitrary files from the server.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Feb 2025
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-76vr-r6c5-cx5q

## What is CVE-2025-25163?

CVE-2025-25163 is a high-severity path traversal vulnerability in Zach Swetz Plugin A/B Image Optimizer, published on 7 Feb 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Zach Swetz Plugin A/B Image Optimizer images-optimizer allows Path Traversal.This issue affects Plugin A/B Image Optimizer: from n/a through <= 3.3.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2025-25163?

It affects 1 product.


Products: Pluginab Plugin A\/B Image Optimizer.

## How do I fix CVE-2025-25163?

No fix has been published for CVE-2025-25163 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-25163 being exploited?

There is no known exploitation of CVE-2025-25163 in the wild and no public exploit code.

Public exploit code:

- Plugin A/B Image Optimizer <= 3.3 - Authenticated (Subscriber+) Arbitrary File Download (github_poc): https://github.com/RandomRobbieBF/CVE-2025-25163
- This repository features a Nuclei template specifically designed to detect the Path Traversal vulnerability (CVE-2025-25163) in the Plugin A/B Image Optimizer for WordPress. This vulnerability poses a critical security risk, allowing unauthorized access to sensitive server files. (github_poc): https://github.com/RootHarpy/CVE-2025-25163-Nuclei-Template

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-25163 and fix it if it is affected.

What it is: CVE-2025-25163 is a high-severity path traversal vulnerability in Zach Swetz Plugin A/B Image Optimizer, published on 7 Feb 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-2025-25163 in the wild and no public exploit code.

Affected product: Zach Swetz Plugin A/B Image Optimizer. 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-2025-25163/ (Markdown: https://insights.sbomify.com/CVE-2025-25163/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-25163
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-25163
- OSV: https://osv.dev/vulnerability/CVE-2025-25163

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-25163/
Summaries are generated and may contain mistakes; the official description above is the record.