What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Claire Ryan Author Showcase author-showcase allows Reflected XSS.This issue affects Author Showcase: from n/a through <= 1.4.3.
Explanation of Vulnerability in Simple Terms
02Summary
Author Showcase versions 1.4.3 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect users across different parts of the site. An attacker with no authentication can craft a payload that executes in victims' browsers, potentially stealing session data or performing actions on their behalf.
What an attacker can do
03Attacker Capabilities
Inject malicious JavaScript that runs in other users' browsers when they visit a crafted link.
Potential impact on your site
04Site Impact
Users' sessions and data can be compromised if they click attacker-supplied links; site reputation may suffer.
Conditions required to exploit
05Prerequisites
Victim must click a malicious link or visit an attacker-controlled page; no authentication required.
Key dates
06Disclosure timeline
April 17, 2025
CVE published
April 28, 2026
Record updated