What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PenciDesign Penci Review penci-review allows Stored XSS.This issue affects Penci Review: from n/a through <= 3.5.
Explanation of Vulnerability in Simple Terms
02Summary
Penci Review versions 3.5 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. An attacker with low-level account access can craft a request that, when visited by another 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 other users' browsers to steal sessions or perform unauthorized actions.
Potential impact on your site
04Site Impact
Authenticated users can be compromised; attackers may steal admin sessions or modify site content via victim browsers.
Conditions required to exploit
05Prerequisites
Attacker needs a low-privilege account on the site; victim must visit a page containing the malicious payload.
Key dates
06Disclosure timeline
January 23, 2026
CVE published
April 28, 2026
Record updated