What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in willshouse TinyMCE Extended Config tinymce-extended-config allows Reflected XSS.This issue affects TinyMCE Extended Config: from n/a through <= 0.1.0.
Explanation of Vulnerability in Simple Terms
02Summary
TinyMCE Extended Config versions 0.1.0 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts. An attacker can craft a malicious link or page that, when visited by a site administrator or user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or unauthorized actions performed on behalf of the victim.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in a user's browser when they visit a crafted page or click a malicious link.
Potential impact on your site
04Site Impact
Administrators and users can have their sessions hijacked, credentials stolen, or be tricked into performing unauthorized actions on the site.
Conditions required to exploit
05Prerequisites
The victim must visit a page containing the attacker's malicious payload or click a crafted link while logged in.
Key dates
06Disclosure timeline
March 3, 2025
CVE published
May 12, 2026
Record updated