Description
The make_clickable function in wp-includes/formatting.php in WordPress before 3.1.1 does not properly check URLs before passing them to the PCRE library, which allows remote attackers to cause a denial of service (crash) via a comment with a crafted URL that triggers many recursive calls.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://core.trac.wordpress.org/ticket/16892
- http://secunia.com/advisories/44038Vendor Advisory
- http://secunia.com/advisories/49138Vendor Advisory
- http://wordpress.org/news/2011/04/wordpress-3-1-1/
- http://www.debian.org/security/2012/dsa-2470
- http://www.openwall.com/lists/oss-security/2012/04/19/17
- http://www.openwall.com/lists/oss-security/2012/04/19/6
- http://core.trac.wordpress.org/ticket/16892
- http://secunia.com/advisories/44038Vendor Advisory
- http://secunia.com/advisories/49138Vendor Advisory
- http://wordpress.org/news/2011/04/wordpress-3-1-1/
- http://www.debian.org/security/2012/dsa-2470
- http://www.openwall.com/lists/oss-security/2012/04/19/17
- http://www.openwall.com/lists/oss-security/2012/04/19/6
Timeline
- Published
- Jun 27, 2012
- Last modified
- Jun 16, 2026
- NVD status
- Modified