CVE-2024-10542

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

HIGH
7.5
CVSS Score
Published: November 26, 2024 at 05:33 AM UTC
Updated: June 17, 2026 at 06:55 AM UTC
2 products affected across 1 vendorAnti SpamSpam Protection , Antispam , Firewall

Using Spam protection, Anti-Spam, FireWall by CleanTalk by cleantalk?

Get instant alerts when new vulnerabilities affect Spam protection, Anti-Spam, FireWall by CleanTalk - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.5
Exploit prediction
EPSS 15%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Anti Spam· Cleantalkwordpress-plugin
95%
v ≤ 6.43.2v < 6.44
Affected range stops below 6.44, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-862

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card