kbrain

CVE-2014-5241

MEDIUM · CVSS 6.8EPSS 0.8%EU EUVD

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.

Key facts

CVSS score
6.8 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness (CWE)
CWE-352
EPSS score
0.8% (58th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2014-5139)
Published
August 22, 2014
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-5139 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki
  • mediawiki / mediawiki

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain