CVE-2026-103863
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling Engine. Content-Type, charset, and redirect changes from an included component evade the protectheaders / checkcontenttype enforcement through setHeader(), repeated calls to setContentType(), the charset APIs, Servlet 6.1 redirect overloads, and stale config - enabling stored XSS despite enabled protections.
This issue affects Apache Sling Engine before 3.0.4.
Users are recommended to upgrade to version 3.0.4, which fixes the issue.
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Published
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Last modified
Latest change at the source
Collected
First seen by Baba Yaga Security