NetSight
medium5.0

CVE-2011-4957

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…

Impact

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.

Affected products

VendorProductAffected versions
WordpressWordpress
through 3.1
Versions 0.71, 1.0, 1.0.1, 1.0.2, 1.1.1

Weakness classification

References