CVE-2026-66593 WordPress Security & Malware scan by CleanTalk plugin <= 2.184 - SQL Injection vulnerability
Unauthenticated attackers can execute arbitrary SQL commands via the CleanTalk WordPress plugin, potentially accessing or modifying database contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66593?
CVE-2026-66593 is a critical SQL injection vulnerability in Security & Malware scan by CleanTalk, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated SQL Injection in Security & Malware scan by CleanTalk <= 2.184 versions.
Weakness: CWE-89
Which versions are affected by CVE-2026-66593?
How do I fix CVE-2026-66593?
No fix has been published for CVE-2026-66593 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-2026-66593 being exploited?
There is no known exploitation of CVE-2026-66593 in the wild and no public exploit code.
Sources
Also known as GHSA-958w-5j9g-5g29.