CVE-2026-48970 HIGH

CVE-2026-48970: WordPress Really Simple SSL plugin <= 9.5.10 - Broken Authentication vulnerability

Vendor Really Simple Plugins
Product Really Simple SSL
Weakness CWE-288
Published June 15, 2026
Last update June 16, 2026

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unauthenticated Broken Authentication in Really Simple SSL <= 9.5.10 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Really Simple SSL versions up to 9.5.10 contain an authentication bypass vulnerability that allows attackers to read sensitive data, modify site content, or disrupt service without needing valid credentials. The vulnerability requires specific network conditions to exploit but does not require user interaction. Site administrators should update to a version newer than 9.5.10 immediately.

What an attacker can do

03Attacker Capabilities

Read sensitive data, modify site content, or disrupt service without valid login credentials.

Potential impact on your site

04Site Impact

Attackers can access and modify your site's data and functionality without logging in, potentially exposing user information or defacing content.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required, but specific network conditions must be met.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 16, 2026 Record updated

Related vulnerabilities

08Related CVE