Code Snippets <= 3.9.1 - Authenticated (Contributor+) PHP Code Injection via extract() and PHP Filter Chains
| CVE | CVE-2025-13035 |
|---|---|
| CVSS | 8.0 (High) |
| Publicly Published | November 18, 2025 |
| Last Updated | November 20, 2025 |
| Researcher |
mikemyers
|
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.
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Vulnerability Details for Code Snippets
| Software Type | Plugin |
|---|---|
| Software Slug | code-snippets (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.9.2, or a newer patched version |
| Affected Version |
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| Patched Version |
|
Recent vulnerabilities in Code Snippets
| # | Title | CVE ID | CVSS | Researchers | Date |
|---|---|---|---|---|---|
| 1 | Code Snippets <= 3.9.4 - Cross-Site Request Forgery to Cloud Snippet Download/Update Actions | CVE-2026-1785 | type5afe | February 5, 2026 | |
| 2 | Code Snippets <= 3.5.0 - Cross-Site Request Forgery via load | CVE-2023-47666 | Huynh Tien Si | November 6, 2023 | |
| 3 | Code Snippets <= 2.14.3 - Reflected Cross-Site Scripting | CVE-2022-25617 | R3N0 | May 18, 2022 | |
| 4 | Code Snippets <= 2.14.2 - Reflected Cross-Site Scripting | CVE-2021-25008 | Krzysztof Zając | December 27, 2021 | |
| 5 | Code Snippets <= 2.13.3 - Cross-Site Request Forgery to Remote Code Execution | CVE-2020-8417 | Chloe Chamberland | January 29, 2020 | |
| 6 | Code Snippets < 2.7.0 - Reflected Cross-Site Scripting | Burak Kelebek | July 24, 2016 |
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