WordPress Plugin Vulnerabilities

Add Custom Codes < 5.0 - Authenticated (Contributor+) Remote Code Execution

Description

The Add Custom Codes – Insert Header, Footer, Custom PHP Snippets, CSS, Javascript plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.80. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server.

Affects Plugins

Plugin icon
add-custom-codes
Fixed in 5.0

References

CVE
CVE-2025-30975
URL
https://www.wordfence.com/threat-intel/vulnerabilities/id/3dbe01a5-a6ab-42d6-a485-ec54a4a62a0f

Classification

Type
RCE
OWASP top 10
A1: Injection
CWE
CWE-94
CVSS
7.2 (High)

Miscellaneous

Original Researcher
Ryan Novotny
Verified
No
WPVDB ID
5f6b4c02-46ef-4aad-b968-28910c29a65a

Timeline

Publicly Published
2025-08-14 (about 1 year ago)
Added
2025-08-18 (about 1 year ago)
Last Updated
2026-03-17 (about 6 months ago)

Other

Published
Title
Published
2024-04-16
Title
WP Dummy Content Generator < 3.3.0 - Unauthenticated Code Injection
Published
2024-12-11
Title
Grid Plus – Unlimited grid layout <= 1.3.5 - Unauthenticated Arbitrary Shortcode Execution via grid_plus_load_by_category
Published
2026-02-24
Title
Advanced Woo Labels < 2.37 - Authenticated (Contributor+) Remote Code Execution via 'callback' Parameter
Published
2018-12-10
Title
WooCommerce <= 3.4.5 - Authenticated Phar Deserialization
Published
2025-04-15
Title
Sign-up Sheets < 2.3.1 - Unauthenticated Arbitrary Shortcode Execution