{"cve":"CVE-2012-4379","nvd":{"published":"2017-10-19T21:29:00.187","modified":"2026-06-16T23:44:54.440","status":"Modified","description":"MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not send a restrictive X-Frame-Options HTTP header, which allows remote attackers to conduct clickjacking attacks via an embedded API response in an IFRAME element.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","score":6.5},"cwes":["CWE-284"],"references":["http://www.openwall.com/lists/oss-security/2012/08/31/10","http://www.openwall.com/lists/oss-security/2012/08/31/6","https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330","https://bugzilla.redhat.com/show_bug.cgi?id=853426","https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html"],"products":["mediawiki:mediawiki"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2012-4379","score":0.01446,"percentile":0.7331,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}