Denial of Service Vulnerability in WordPress make_clickable Function

CVE-2011-4957 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

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.

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