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2 vulnerabilities found for Spam protection, Honeypot, Anti-Spam by CleanTalk by cleantalk

CVE-2026-1490 (GCVE-0-2026-1490)

Vulnerability from nvd – Published: 2026-02-15 02:22 – Updated: 2026-02-17 21:21
VLAI?
Title
Spam protection, Honeypot, Anti-Spam by CleanTalk <= 6.71 - Authorization Bypass via Reverse DNS (PTR record) Spoofing to Unauthenticated Arbitrary Plugin Installation
Summary
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 (PTR record) spoofing on the 'checkWithoutToken' function in all versions up to, and including, 6.71. 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. Note: This is only exploitable on sites with an invalid API key.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
Impacted products
Vendor Product Version
cleantalk Spam protection, Honeypot, Anti-Spam by CleanTalk Affected: * , ≤ 6.71 (semver)
Create a notification for this product.
Credits
Nguyen Ngoc Duc
Show details on NVD website
To clipboard 

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CVE-2026-1490 (GCVE-0-2026-1490)

Vulnerability from cvelistv5 – Published: 2026-02-15 02:22 – Updated: 2026-02-17 21:21
VLAI?
Title
Spam protection, Honeypot, Anti-Spam by CleanTalk <= 6.71 - Authorization Bypass via Reverse DNS (PTR record) Spoofing to Unauthenticated Arbitrary Plugin Installation
Summary
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 (PTR record) spoofing on the 'checkWithoutToken' function in all versions up to, and including, 6.71. 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. Note: This is only exploitable on sites with an invalid API key.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
Impacted products
Vendor Product Version
cleantalk Spam protection, Honeypot, Anti-Spam by CleanTalk Affected: * , ≤ 6.71 (semver)
Create a notification for this product.
Credits
Nguyen Ngoc Duc
Show details on NVD website
To clipboard 

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