Unscored severity · published Jun 27, 2012
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 allows remote…
–
CVSS
3.2%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
through 3.1; 0.71; 1.0; 1.0.1; 1.0.2; 1.1.1; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4957
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-4957
core.trac.wordpress.org
http://core.trac.wordpress.org/ticket/16892
Vendor Advisory
http://secunia.com/advisories/44038
Vendor Advisory
http://secunia.com/advisories/49138
wordpress.org
http://wordpress.org/news/2011/04/wordpress-3-1-1/
www.debian.org
http://www.debian.org/security/2012/dsa-2470
www.openwall.com
http://www.openwall.com/lists/oss-security/2012/04/19/17
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