Question: What is CVE-2025-21612?
Answer: CVE-2025-21612 is a vulnerability classified as high with a CVSS score of 8.6. It falls under CWE-79, CWE-79 and affects the system as follows: TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Prior to 2.7.2, TabberTransclude.php doesn't escape the user-supplied page name when outputting, so an XSS payload as the page name can be used here. This vulnerability is fixed in 2.7.2.