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 <= 1.5.2.
Explanation of Vulnerability in Simple Terms
02Summary
HTML Forms versions 1.5.2 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 payload, the script executes in their browser with their privileges. The vulnerability affects form handling and can impact confidentiality, integrity, and availability of the site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers when they view affected forms.
Potential impact on your site
04Site Impact
Authenticated users can inject scripts affecting other visitors; impacts data confidentiality, form integrity, and site availability.
Conditions required to exploit
05Prerequisites
Attacker must have low-level authentication (e.g., subscriber or contributor role) and the victim must visit a page containing the malicious payload.
Key dates
06Disclosure timeline
April 22, 2025
CVE published
April 28, 2026
Record updated