CVE-2021-24131 Anti-Spam by CleanTalk < 5.149 - Multiple Authenticated SQL Injections
Authenticated administrators can exploit unvalidated input to perform SQL injection attacks, potentially reading or modifying database contents.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-24131?
CVE-2021-24131 is a high-severity SQL injection vulnerability in Unknown Anti-Spam by CleanTalk, published on 18 Mar 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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+).
Weakness: CWE-89
Which versions are affected by CVE-2021-24131?
It affects 1 product.
Products include Cleantalk Anti-Spam.
How do I fix CVE-2021-24131?
No fix has been published for CVE-2021-24131 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2021-24131 being exploited?
There is no known exploitation of CVE-2021-24131 in the wild and no public exploit code.
Other vulnerabilities in Unknown Anti-Spam by CleanTalk
- CVE-2024-10542 Auth bypass in Spam protection, Honeypot, Anti-Spam by CleanTalk
- CVE-2026-10770 Anti-Spam by CleanTalk - Moderately critical - Cross site scripting - SA-CONTRIB-2026-042
- CVE-2026-3213 Anti-Spam by CleanTalk - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-014
- CVE-2023-51696 Cross-site request forgery in Spam protection, Anti-Spam, FireWall by CleanTalk
Sources
Also known as GHSA-hv83-f95q-qg45.