What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Matt Pramschufer AppBanners appbanners allows Stored XSS.This issue affects AppBanners: from n/a through <= 1.5.14.
Explanation of Vulnerability in Simple Terms
02Summary
AppBanners versions 1.5.14 and earlier contain a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically a victim visiting a crafted page—and can affect other users on the site. An attacker with high-level privileges can inject code that steals session tokens or modifies site content.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers and steals their session data or modifies site content.
Potential impact on your site
04Site Impact
An admin account compromise could allow an attacker to deface your site or steal visitor session tokens without your knowledge.
Conditions required to exploit
05Prerequisites
Attacker must have administrator-level access and the victim must visit a page containing the malicious payload.
Key dates
06Disclosure timeline
June 6, 2025
CVE published
April 28, 2026
Record updated