What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Luke Mlsna Last Updated Shortcode last-updated-shortcode allows Stored XSS.This issue affects Last Updated Shortcode: from n/a through <= 1.0.1.
Explanation of Vulnerability in Simple Terms
02Summary
Last Updated Shortcode versions up to 1.0.1 contain a cross-site scripting (XSS) vulnerability. An attacker with low-level site access can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect site visitors across different security contexts.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they view the affected shortcode.
Potential impact on your site
04Site Impact
Site visitors' sessions and data can be compromised if an attacker with contributor access injects malicious code via the shortcode.
Conditions required to exploit
05Prerequisites
Attacker needs low-level site access (e.g., contributor role) and the victim must view a page containing the malicious shortcode.
Key dates
06Disclosure timeline
September 22, 2025
CVE published
May 12, 2026
Record updated