What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Link Software LLC HTML Forms html-forms allows Stored XSS.This issue affects HTML Forms: from n/a through <= 1.5.1.
Explanation of Vulnerability in Simple Terms
02Summary
HTML Forms versions 1.5.1 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability affects the scope beyond the vulnerable component.
What an attacker can do
03Attacker Capabilities
Inject and execute malicious JavaScript in a user's browser when they visit a crafted page or link.
Potential impact on your site
04Site Impact
Users visiting affected pages may have sessions hijacked, credentials stolen, or see defaced content; the impact extends beyond the form component.
Conditions required to exploit
05Prerequisites
A site user must visit a malicious link or page crafted by the attacker; no authentication required.
Key dates
06Disclosure timeline
April 1, 2025
CVE published
April 28, 2026
Record updated