Spam protection, Anti-Spam, FireWall by CleanTalk <= 6.44 - Authorization Bypass due to Missing Empty Value Check to Unauthenticated Arbitrary Plugin Installation
Strategic Overview
- Status
- Patched in 6.45
- Affected Plugin
- Spam protection, Honeypot, Anti-Spam by CleanTalk
- Affected Version
<= 6.44- CVSS
- 8.1High
- Weakness type
- CWE-703 · Improper Check or Handling of Exceptional Conditions
- CVE
CVE-2024-10781
At a glance
CVE-2024-10781 is a high-severity Improper Check or Handling of Exceptional Conditions vulnerability in the Spam protection, Honeypot, Anti-Spam by CleanTalk WordPress plugin, affecting versions <= 6.44. It carries a CVSS score of 8.1 (reachable over the network; high confidentiality, integrity, availability impact). Exploitation requires no authentication. The issue is fixed in version 6.45; sites on affected versions should update now. Disclosed November 2024, reported by István Márton.
Vulnerability Overview
The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an missing empty value check on the 'api_key' value in the 'perform' function in all versions up to, and including, 6.44. 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.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.
CWE-703: Improper Check or Handling of Exceptional Conditions
The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.
Remediation
Update to version 6.45, or a newer patched version
How does WordSec protect against this?
This one needs no account at all, which puts it outside what login hardening can reach; WordSec's login security narrows the account-level paths around it, and the firewall is what inspects the request itself. None of that substitutes for the fix: Spam protection, Honeypot, Anti-Spam by CleanTalk 6.45 closes this, and updating the plugin is the step that ends it.
- Login Security
- Alerts
External References
Related records
Other vulnerabilities in Spam protection, Honeypot, Anti-Spam by CleanTalk
- 9.8CVE-2026-1490: Spam protection Authorization Bypass
CVE-2026-1490 - 9.8CVE-2024-10542: Spam protection Authorization Bypass
CVE-2024-10542 - 7.5CVE-2021-24295: Spam protection Blind SQL Injection
CVE-2021-24295 - 7.2CVE-2026-77830: Spam protection Stored XSS
CVE-2026-77830 - 7.2CVE-2026-65437: Spam protection Stored XSS
CVE-2026-65437 - 7.2CVE-2026-8071: CleanTalk Anti-Spam. Spam Firewall… Stored XSS
CVE-2026-8071 - 7.2CVE-2022-3302: AntiSpam by CleanTalk <= 5.185 SQL Injection
CVE-2022-3302 - 7.2CVE-2021-24131: Anti-Spam by CleanTalk < 5.149 SQL Injection
CVE-2021-24131
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C