CVE-2011-4957
EPSS 2.8%
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.
How to fix CVE-2011-4957
To remediate CVE-2011-4957, upgrade the affected package to a fixed version below.
- Debian/wordpress—upgrade to 3.2.1+dfsg-1 or later
Is CVE-2011-4957 being exploited?
Low — EPSS is 2.8%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.2.1+dfsg-1