CVE-2014-5266

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 25.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-08-18 · updated 2026-06-17
Weakness: CWE-399

Description

The Incutio XML-RPC (IXR) Library, as used in WordPress before 3.9.2 and Drupal 6.x before 6.33 and 7.x before 7.31, does not limit the number of elements in an XML document, which allows remote attackers to cause a denial of service (CPU consumption) via a large document, a different vulnerability than CVE-2014-5265.

Affected products

Debian Linux: 7.0
Drupal: 6.0, 6.0-beta1, 6.0-beta2, 6.0-beta3, 6.0-beta4, 6.0-dev (+83)
WordPress: through 3.9.1; 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5 (+25)

References

http://cgit.drupalcode.org/drupal/diff/includes/xmlrpc.inc?id=1849830
http://cgit.drupalcode.org/drupal/diff/modules/openid/xrds.inc?id=1849830
http://www.debian.org/security/2014/dsa-2999
http://www.debian.org/security/2014/dsa-3001
https://core.trac.wordpress.org/changeset/29404
https://wordpress.org/news/2014/08/wordpress-3-9-2/
https://www.drupal.org/SA-CORE-2014-004
http://cgit.drupalcode.org/drupal/diff/includes/xmlrpc.inc?id=1849830
http://cgit.drupalcode.org/drupal/diff/modules/openid/xrds.inc?id=1849830
http://www.debian.org/security/2014/dsa-2999
http://www.debian.org/security/2014/dsa-3001
https://core.trac.wordpress.org/changeset/29404

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