CVE-2013-2173

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-06-21 · updated 2026-06-16
Weakness: CWE-310

Description

wp-includes/class-phpass.php in WordPress 3.5.1, when a password-protected post exists, allows remote attackers to cause a denial of service (CPU consumption) via a crafted value of a certain wp-postpass cookie.

Affected products

WordPress: 3.5.1

References

http://archives.neohapsis.com/archives/bugtraq/2013-06/0052.html
http://codex.wordpress.org/Version_3.5.2
http://openwall.com/lists/oss-security/2013/06/12/2
http://wordpress.org/news/2013/06/wordpress-3-5-2/
http://www.debian.org/security/2013/dsa-2718
https://github.com/wpscanteam/wpscan/issues/219
https://vndh.net/note:wordpress-351-denial-service
http://archives.neohapsis.com/archives/bugtraq/2013-06/0052.html
http://codex.wordpress.org/Version_3.5.2
http://openwall.com/lists/oss-security/2013/06/12/2
http://wordpress.org/news/2013/06/wordpress-3-5-2/
http://www.debian.org/security/2013/dsa-2718

Get alerted when CVE-2013-2173 or the next vulnerability affects your stack