{"cve":"CVE-2014-5241","nvd":{"published":"2014-08-22T17:55:02.813","modified":"2026-06-17T00:11:15.607","status":"Modified","description":"The JSONP endpoint in includes/api/ApiFormatJson.php in MediaWiki before 1.19.18, 1.20.x through 1.22.x before 1.22.9, and 1.23.x before 1.23.2 accepts certain long callback values and does not restrict the initial bytes of a JSONP response, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks, and obtain sensitive information, via a crafted OBJECT element with SWF content consistent with a restricted character set.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-352"],"references":["http://advisories.mageia.org/MGASA-2014-0309.html","http://openwall.com/lists/oss-security/2014/08/14/5","http://secunia.com/advisories/59738","http://www.debian.org/security/2014/dsa-3011","http://www.mandriva.com/security/advisories?name=MDVSA-2014:153"],"products":["mediawiki:mediawiki"],"source":"nvd","synced_at":"2026-10-19T20:33:06.232976534+00:00"},"epss":{"cve":"CVE-2014-5241","score":0.00838,"percentile":0.57797,"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."]}