What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in webvitaly Extra Shortcodes extra-shortcodes allows Stored XSS.This issue affects Extra Shortcodes: from n/a through <= 2.2.
Explanation of Vulnerability in Simple Terms
02Summary
Extra Shortcodes versions 2.2 and earlier contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts into shortcode content. When other users view pages containing the affected shortcodes, the injected scripts execute in their browsers, potentially compromising their sessions or stealing data.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute when other users view pages with the affected shortcodes.
Potential impact on your site
04Site Impact
Authenticated users can inject scripts affecting other site visitors; session hijacking or data theft is possible.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account and the victim must view a page containing the malicious shortcode.
Key dates
06Disclosure timeline
December 31, 2025
CVE published
April 28, 2026
Record updated