Known vulnerabilities in Really Simple Security – Simple and Performant Security (formerly Really Simple SSL)

Easily improve site security with WordPress Hardening, Two-Factor Authentication (2FA), Login Protection, Vulnerability Detection and SSL certificate.

8Reported vulnerabilities

9.8Highest CVSS score

9.7.0Latest version

3,000,000+Active installs

What to do now

Update Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) to 9.8.0 or later. 8 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 27, 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-2024-10924	Critical 9.8	82.0%	9.0.0 up to (but not including) 9.1.2	`9.1.2`	November 15, 2024
CVE-2026-81766	High 8.8	0.3%	Before 9.8.0	`9.8.0`	August 31, 2026
CVE-2024-31229	Medium 5.5	0.3%	7.2.3 and earlier	`8.0.0`	April 16, 2024
CVE-2026-8293	Medium 5.3	0.2%	9.5.10.0 and earlier	`9.5.10.1`	June 12, 2026
CVE-2026-48970	Medium 5.3	0.4%	9.5.10 and earlier	`9.5.10.1`	June 3, 2026
CVE-2026-48969	Medium 4.3	0.3%	9.5.9 and earlier	`9.5.10`	June 3, 2026
CVE-2026-32461	Medium 4.3	0.2%	9.5.7 and earlier	`9.5.8`	March 15, 2026
CVE-2025-24623	Medium 4.3	0.2%	9.1.4 and earlier	`9.2.0`	January 24, 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.