{"id":"CVE-2026-103863","published":"2026-11-05T13:17:06.880","lastModified":"2026-11-05T22:17:41.977","description":"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.\n\n\n\nThis issue affects Apache Sling Engine before 3.0.4.\n\n\n\nUsers are recommended to upgrade to version 3.0.4, which fixes the issue.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-79","CWE-693"],"vendors":[],"products":[],"references":[{"url":"https://lists.apache.org/thread.html/rll7kjtbpj2lvh4nzmrw5sdmqww64ldg","tags":[]},{"url":"http://www.openwall.com/lists/oss-security/2026/11/05/6","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}