Known vulnerabilities in Quttera ThreatSign – Web Malware Scanner for WordPress

WordPress multi-level security scanner detecting malware, 0-day threats, brute-force attacks, bot attacks, and unauthorized admin changes.

3Reported vulnerabilities

7.2Highest CVSS score

4.1.0.28Latest version

10,000+Active installs

What to do now

Update Quttera ThreatSign – Web Malware Scanner for WordPress to 3.5.2.1 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 16, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2023-6065	Medium 5.3	18.6%	Before 3.4.2.1	`3.4.2.1`	December 18, 2023
CVE-2023-6222	High 7.2	1.1%	Before 3.4.2.1	`3.4.2.1`	December 18, 2023
CVE-2025-8013	Low 3.8	0.3%	0 to 3.5.1.41 (inclusive)	`3.5.2.1`	August 15, 2025

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.