What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sudar Muthu WP Github Gist wp-github-gist allows Stored XSS.This issue affects WP Github Gist: from n/a through <= 0.5.
Explanation of Vulnerability in Simple Terms
02Summary
WP Github Gist versions 0.5 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user can inject malicious scripts that execute in other users' browsers when they view affected content. The vulnerability requires user interaction and can affect other site visitors. Update to a version newer than 0.5.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view the plugin's content.
Potential impact on your site
04Site Impact
Authenticated users can inject scripts affecting other visitors, potentially stealing session tokens or redirecting users.
Conditions required to exploit
05Prerequisites
Attacker must be logged in as a low-privilege user; victim must view the affected page.
Key dates
06Disclosure timeline
September 5, 2025
CVE published
April 28, 2026
Record updated