CVE-2026-73192

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability when using the XSSAPI.getValidHref() in Apache Sling XSS version 2.4.10 and prior may allow an attacker to perform a reflected cross-site scripting (XSS) attack in every feature using this method. In order to successfully attack an application, the attacker needs to be able to submit a value which is not correctly sanitized by that library. Upgrade to Apache Sling XSS >= 2.4.12

Score

CVSS 3.1 6.1 Medium

Status

Analyzed - security@apache.org

Published

2026-09-23

Last modified

2026-09-23

Weaknesses

CWE-79

Affected products

• Sling Xss Protection Api (Apache)
• Apache Sling Xss (Apache Software Foundation)

References

• https://sling.apache.org/news.html
• http://www.openwall.com/lists/oss-security/2026/09/23/18