CVE-2007-0539

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-01-29 · updated 2026-06-16

Description

The wp_remote_fopen function in WordPress before 2.1 allows remote attackers to cause a denial of service (bandwidth or thread consumption) via pingback service calls with a source URI that corresponds to a large file, which triggers a long download session without a timeout constraint.

Affected products

WordPress: through 2.0

References

http://securityreason.com/securityalert/2191
http://www.securityfocus.com/archive/1/457996/100/0/threaded
http://www.securityfocus.com/archive/1/458003/100/0/threaded
http://securityreason.com/securityalert/2191
http://www.securityfocus.com/archive/1/457996/100/0/threaded
http://www.securityfocus.com/archive/1/458003/100/0/threaded

Get alerted when CVE-2007-0539 or the next vulnerability affects your stack