What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in GalleryCreator SimpLy Gallery simply-gallery-block allows Stored XSS.This issue affects SimpLy Gallery: from n/a through <= 3.2.5.
Explanation of Vulnerability in Simple Terms
02Summary
SimpLy Gallery versions 3.2.5 and earlier contain a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts. When a victim visits a page containing the injected content, the script executes in their browser with the victim's privileges. The vulnerability affects multiple security domains due to scope change.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute when other users view affected gallery content.
Potential impact on your site
04Site Impact
Authenticated users can deface galleries, steal session tokens, or redirect visitors to malicious sites.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege user account and the victim must visit a page with the injected content.
Key dates
06Disclosure timeline
April 4, 2025
CVE published
April 28, 2026
Record updated