CVE-2023-23645: WordPress MainWP Code Snippets Extension Plugin <= 4.0.2 - Subscriber+ Arbitrary PHP Code Injection/Execution Vulnerability

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-17 · updated 2026-06-17
Weakness: CWE-94

Description

Improper Control of Generation of Code ('Code Injection') vulnerability in MainWP MainWP Code Snippets Extension allows Code Injection.This issue affects MainWP Code Snippets Extension: from n/a through 4.0.2.

Affected products

MainWP Code Snippets Extension: before 4.0.3 — fixed in 4.0.3

How to fix

Upgrade to a fixed version: MainWP Code Snippets Extension 4.0.3. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/mainwp-code-snippets-extension/wordpress-mainwp-code-snippets-extension-plugin-4-0-2-subscriber-arbitrary-php-code-injection-execution-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/mainwp-code-snippets-extension/wordpress-mainwp-code-snippets-extension-plugin-4-0-2-subscriber-arbitrary-php-code-injection-execution-vulnerability?_s_id=cve

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