CVE-2026-27397

MEDIUM

WordPress Really Simple Security Pro plugin <= 9.5.4.0 - Insecure Direct Object References (IDOR) vulnerability

Title source: cna

Description

Authorization Bypass Through User-Controlled Key vulnerability in Really Simple Plugins B.V. Really Simple Security Pro allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Really Simple Security Pro: from n/a through 9.5.4.0.

References (2)

[Vdb Entry] https://patchstack.com/database/wordpress/plugin/really-simple-ssl-pro/vulnerability/wordpress-really-simple-security-pro-plugin-9-5-3-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve

[Vdb Entry] https://patchstack.com/database/Wordpress/Plugin/really-simple-ssl-pro/vulnerability/wordpress-really-simple-security-pro-plugin-9-5-3-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Scores

CVSS v3 6.5

EPSS 0.0005

EPSS Percentile 16.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-639

Status published

Products (1)

Really Simple Plugins B.V./Really Simple Security Pro < 9.5.4.0

Published Mar 19, 2026

Tracked Since Mar 19, 2026