What’s Vulnerable › Vulnerabilities

CVE-2021-24131: Anti-Spam by CleanTalk < 5.149 - Multiple Authenticated SQL Injections

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-18 · updated 2026-06-17
• Weakness: CWE-89

Description

Unvalidated input in the Anti-Spam by CleanTalk WordPress plugin, versions before 5.149, lead to multiple authenticated SQL injection vulnerabilities, however, it requires high privilege user (admin+).

Affected products

• Drupal Anti-Spam by CleanTalk: before 5.149 — fixed in 5.149

How to fix

Upgrade to a fixed version: Drupal Anti-Spam by CleanTalk 5.149. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/1bc28021-28c0-43fa-b89e-6b93c345e5d8
• https://wpscan.com/vulnerability/1bc28021-28c0-43fa-b89e-6b93c345e5d8

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