Quick answers
- Is CVE-2026-66593 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-66593 being exploited in the wild.
- How severe is CVE-2026-66593?
- Critical severity, with a CVSS score of 9.3, published 20 August 2026.
- Which products and versions are affected?
- CleanTalk Security & Malware Scan <=2.184.
- Is there a fix for CVE-2026-66593?
- A patch was published on 2026-08-19: Version 2.185 released with patch Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-66593 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-66593?
- Check whether you run CleanTalk Security & Malware Scan at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an unauthenticated SQL injection flaw in the Security & Malware Scan plugin version 2.184 and earlier. The injection point is directly accessible over the network without authentication, allowing an attacker to craft malicious SQL queries and execute arbitrary database operations. An attacker can leverage this to extract user credentials, customer data, and other sensitive information stored in the WordPress database, or to modify/delete records. The vulnerability has been patched in version 2.185; users should update immediately.
Affected products
- CleanTalk Security & Malware Scan <=2.184
Timeline
- 2026-08-20: disclosed
- 2026-08-19: patched: Version 2.185 released with patch