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Critical · 9.8 Public exploit CVE-2024-10542 EUVD-2024-33435GHSA-r694-88f4-27hq

Spam protection, Anti-Spam, FireWall by CleanTalk <= 6.43.2 - Authorization Bypass via Reverse DNS Spoofing to Unauthenticated Arbitrary Plugin Installation

Published Nov 26, 2024 · Updated Apr 8, 2026 · Assigned by Wordfence

Vendor: cleantalk Product: Spam protection, Honeypot, Anti-Spam by CleanTalk Category: Web / CMS

Description

The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS spoofing on the checkWithoutToken function in all versions up to, and including, 6.43.2. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.

Affected products

VendorProductAffectedFixed
cleantalk Spam protection, Honeypot, Anti-Spam by CleanTalk ≤ 6.43.2 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • ubaydev/CVE-2024-10542 ★ 3 · Nov 26, 2024

    WordPress Spam protection, AntiSpam, FireWall by CleanTalk Plugin <= 6.43.2 is vulnerable to Unauthenticated Arbitrary Plugin Installation

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References