CVE-2011-4106
MEDIUMEPSS 97th pctlDescription
TimThumb (timthumb.php) before 2.0 does not validate the entire source with the domain white list, which allows remote attackers to upload and execute arbitrary code via a URL containing a white-listed domain in the src parameter, then accessing it via a direct request to the file in the cache directory, as exploited in the wild in August 2011.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 97% of all known CVEs.
References
- http://code.google.com/p/timthumb/issues/detail?id=212
- http://markmaunder.com/2011/08/01/zero-day-vulnerability-in-many-wordpress-themes/
- http://markmaunder.com/2011/08/02/technical-details-and-scripts-of-the-wordpress-timthumb-php-hack/
- http://www.binarymoon.co.uk/2011/08/timthumb-2/
- http://www.exploit-db.com/exploits/17602
- http://www.exploit-db.com/exploits/17872
- http://www.openwall.com/lists/oss-security/2011/11/03/4
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.