← back
CVE-2025-21612highCWE-79CWE-80

Cross-site Scripting in TabberTransclude in Extension:TabberNeue

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.6epss 0.5%
exploitation probability
0.5%top 58% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L