CVE-2024-10542

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

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 63.63% Top 5%
Third-Party Advisory wordfence.com
Affected: cleantalk Spam protection, Anti-Spam, FireWall by CleanTalk
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/d7eb5fad-bb62-4f0b-ad52-b16c3e442b62?source=cve third party advisory
https://plugins.trac.wordpress.org/browser/cleantalk-spam-protect/tags/6.43.2/lib/Cleantalk/ApbctWP/RemoteCalls.php#L41 product
https://plugins.trac.wordpress.org/changeset/3179819/cleantalk-spam-protect#file631 patch

Frequently Asked Questions

What is the severity of CVE-2024-10542?
CVE-2024-10542 has been scored as a critical severity vulnerability.
How to fix CVE-2024-10542?
To fix CVE-2024-10542, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-10542 being actively exploited in the wild?
It is possible that CVE-2024-10542 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~64% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-10542?
CVE-2024-10542 affects cleantalk Spam protection, Anti-Spam, FireWall by CleanTalk.
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