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, permits entity declarations without considering recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
Remediation
References
Related Vulnerabilities
Apache HTTP Server Other Vulnerability (CVE-2010-1452)
Apache HTTP Server Use of Incorrectly-Resolved Name or Reference Vulnerability (CVE-2019-0220)
silverstripeCMS Permissions, Privileges, and Access Controls Vulnerability (CVE-2010-5090)
WordPress Plugin Role Scoper Cross-Site Scripting (1.3.66)
phpMyAdmin Improper Input Validation Vulnerability (CVE-2011-1941)