Post Snippets – Custom WordPress Code Snippets Customizer <= 4.0.19 - Authenticated (Contributor+) Remote Code Execution

8.8
Improper Control of Generation of Code ('Code Injection')
CVE CVE-2026-56049
CVSS 8.8 (High)
Publicly Published June 25, 2026
Last Updated July 2, 2026
Researcher daroo

Description

The Post Snippets – Custom WordPress Code Snippets Customizer plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.0.19. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server.

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Vulnerability Details for Post Snippets – Custom WordPress Code Snippets Customizer

Software Type Plugin
Software Slug post-snippets (view on wordpress.org)
Patched? Yes
Remediation Update to version 4.1.0, or a newer patched version
Affected Version
  • <= 4.0.19
Patched Version
  • 4.1.0

Recent vulnerabilities in Post Snippets – Custom WordPress Code Snippets Customizer

# Title CVE ID CVSS Researchers Date
1 Post Snippets <= 4.0.19 - Authenticated (Administrator+) Stored Cross-Site Scripting via Import CVE-2026-7430 4.4 a1batr0ss May 28, 2026
2 Post Snippets – Custom WordPress Code Snippets Customizer <= 4.0.12 - Authenticated (Contributor+) Remote Code Execution CVE-2026-25001 8.8 Doan Dinh Van (d52v) March 16, 2026
3 Post Snippets <= 4.0.11 - Cross-Site Request Forgery CVE-2025-63040 4.3 Nabil Irawan December 31, 2025
4 Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get CVE-2023-33999 6.1 Rafie Muhammad July 18, 2023
5 Post Snippets <= 4.0.2 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'snippet_content' CVE-2023-25459 4.4 Abdi Pranata May 9, 2023
6 Freemius SDK <= 2.4.2 - Missing Authorization Checks CVE-2022-4974 6.3 March 4, 2022
7 Post Snippets <= 3.1.3 - Cross-Site Request Forgery to Stored Cross-Site Scripting CVE-2021-25010 9.6 Muhammad Adel January 31, 2022
8 Freemius SDK <= 2.2.3 - Missing Authorization to Arbitrary Options Update 8.8 February 25, 2019

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