What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Zack Katz Links in Captions links-in-captions allows Stored XSS.This issue affects Links in Captions: from n/a through <= 1.2.
Explanation of Vulnerability in Simple Terms
02Summary
Links in Captions versions 1.2 and earlier contain a cross-site scripting vulnerability. An authenticated user with low privileges can inject malicious scripts into captions. When another user views the affected content, the script executes in their browser, potentially allowing the attacker to steal session data or perform actions on their behalf. User interaction is required—the victim must view the page containing the malicious caption.
What an attacker can do
03Attacker Capabilities
Inject JavaScript that runs in other users' browsers when they view captions, stealing sessions or performing unauthorized actions.
Potential impact on your site
04Site Impact
Users' accounts and data are at risk if attackers inject malicious scripts into captions that other users view.
Conditions required to exploit
05Prerequisites
Attacker needs a low-privilege account; victim must view a page with the malicious caption.
Key dates
06Disclosure timeline
February 7, 2025
CVE published
April 28, 2026
Record updated