What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Roman Peterhans Simplistic SEO simplistic-seo allows Reflected XSS.This issue affects Simplistic SEO: from n/a through <= 2.3.0.
Explanation of Vulnerability in Simple Terms
02Summary
Simplistic SEO versions 2.3.0 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users viewing the compromised page. An attacker with no authentication can exploit this to steal session cookies, redirect users, or deface content.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers when they visit the site.
Potential impact on your site
04Site Impact
Visitors' browsers can be compromised; attackers may steal login tokens, redirect users, or modify page content.
Conditions required to exploit
05Prerequisites
Victim must click a malicious link or visit a page containing the attacker's payload.
Key dates
06Disclosure timeline
November 9, 2024
CVE published
May 11, 2026
Record updated