[ CVE-2026-73192 · Published 23 Sep 2026 ]

Vulnerability in Apache Software Foundation Apache Sling XSS

CVSS 6.1 EPSS <1%No fix listed yet

[ Description ]Official description

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

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

sling.apache.org/news.htmlVendor Advisory
www.openwall.com/lists/oss-security/2026/09/23/18Mailing ListThird Party Advisory