# CVE-2025-13035: Code Snippets <= 3.9.1 - Authenticated (Contributor+) PHP Code Injection via extract() and PHP Filter Chains

> Authenticated contributors can execute arbitrary PHP code if an administrator enables file-based execution and creates active snippets.

- **Severity:** High 8.0 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 19 Nov 2025
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-xr45-qc77-mx25

## What is CVE-2025-13035?

CVE-2025-13035 is a high-severity code injection vulnerability in codesnippetspro Code Snippets, published on 19 Nov 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

The Code Snippets plugin for WordPress is vulnerable to PHP Code Injection in all versions up to, and including, 3.9.1. This is due to the plugin's use of extract() on attacker-controlled shortcode attributes within the `evaluate_shortcode_from_flat_file` method, which can be used to overwrite the `$filepath` variable and subsequently passed to require_once. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute arbitrary PHP code on the server via the `[code_snippet]` shortcode using PHP filter chains granted they can trick an administrator into enabling the "Enable file-based execution" setting and creating at least one active Content snippet.

Weakness: CWE-94 (Improper Control of Generation of Code)

## Which versions are affected by CVE-2025-13035?


## How do I fix CVE-2025-13035?

No fix has been published for CVE-2025-13035 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-13035 being exploited?

There is no known exploitation of CVE-2025-13035 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-13035 and fix it if it is affected.

What it is: CVE-2025-13035 is a high-severity code injection vulnerability in codesnippetspro Code Snippets, published on 19 Nov 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2025-13035 in the wild and no public exploit code.

Affected product: codesnippetspro Code Snippets. 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-2025-13035/ (Markdown: https://insights.sbomify.com/CVE-2025-13035/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-13035
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-13035
- OSV: https://osv.dev/vulnerability/CVE-2025-13035

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-13035/
Summaries are generated and may contain mistakes; the official description above is the record.