Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.5.10 - Missing Authorization

5.3
Missing Authorization
CVE CVE-2026-48970
CVSS 5.3 (Medium)
Publicly Published June 3, 2026
Last Updated June 11, 2026
Researcher RyuuKhagetsu - Linuxhackingid

Description

The Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 9.5.10. This makes it possible for unauthenticated attackers to perform an unauthorized action.

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Vulnerability Details for Really Simple Security – Simple and Performant Security (formerly Really Simple SSL)

Software Type Plugin
Software Slug really-simple-ssl (view on wordpress.org)
Patched? Yes
Remediation Update to version 9.5.10.1, or a newer patched version
Affected Version
  • <= 9.5.10
Patched Version
  • 9.5.10.1

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

# Title CVE ID CVSS Researchers Date
1 Really Simple Security (Free) <= 9.8.2 - Unauthenticated Unbounded Option Growth CVE-2026-88798 5.3 Naoki Kawahigashi September 16, 2026
2 Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.8.1 - Missing Authorization to 2FA Bypass CVE-2026-82519 4.3 Michael Holmquist September 14, 2026
3 Really Simple Security <= 9.8.0 - Unauthenticated Two-Factor Authentication Bypass CVE-2026-89080 5.3 Charles Vosburgh September 11, 2026
4 Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.8.0 - Unauthenticated Denial of Service CVE-2026-84775 7.5 Ananda Dhakal September 2, 2026
5 Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.8.0 - Unauthenticated Two-Factor Authentication Bypass CVE-2026-84777 5.3 Ananda Dhakal September 2, 2026
6 Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) < 9.8.0 - Authenticated (Custom Role+) Remote Code Execution CVE-2026-81766 8.8 Charles Vosburgh August 31, 2026
7 Really Simple Security <= 9.5.10.0 - Two Factor Authentication Bypass CVE-2026-8293 5.3 John Umoru June 12, 2026
8 Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.5.9 - Missing Authorization CVE-2026-48969 4.3 Evan NR June 3, 2026
9 Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.5.7 - Missing Authorization CVE-2026-32461 4.3 Or Benit March 15, 2026
10 Really Simple SSL <= 9.1.4 - Cross-Site Request Forgery CVE-2025-24623 4.3 Ananda Dhakal January 24, 2025

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