CVE-2024-10542

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 CVSS 3.1 · 9.8 Critical EPSS 15.4% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics epss

{'score': 0.65638}

epss

{'score': 0.63631}

Type Values Removed Values Added
First Time appeared Cleantalk anti-spam
CPEs cpe:2.3:a:cleantalk:anti-spam:*:*:*:*:*:wordpress:*:*
Vendors & Products Cleantalk anti-spam
Type Values Removed Values Added
First Time appeared Cleantalk
Cleantalk antispam
CPEs cpe:2.3:a:cleantalk:antispam:*:*:*:*:*:wordpress:*:*
Vendors & Products Cleantalk
Cleantalk antispam
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Spam protection, Anti-Spam, FireWall by CleanTalk <= 6.43.2 - Authorization Bypass via Reverse DNS Spoofing to Unauthenticated Arbitrary Plugin Installation
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 5:26 PM
Reserved
Oct 30, 2024, 12:40 PM
Status
Analyzed
Published
Nov 26, 2024, 6:15 AM
Modified
Jun 17, 2026, 6:55 AM