CVE-2011-4106
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 23.3%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
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 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 23.34% probability · 98th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 3 August 2011
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- binarymoon/timthumb
- Source
- secalert@redhat.com
EPSS 23.3% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://code.google.com/p/timthumb/issues/detail?id=212Exploit, Patch
- 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/Patch
- http://www.binarymoon.co.uk/2011/08/timthumb-2/
- http://www.exploit-db.com/exploits/17602Exploit
- http://www.exploit-db.com/exploits/17872Exploit
- http://www.openwall.com/lists/oss-security/2011/11/03/4
- http://code.google.com/p/timthumb/issues/detail?id=212Exploit, Patch
- 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/Patch
- http://www.binarymoon.co.uk/2011/08/timthumb-2/
- http://www.exploit-db.com/exploits/17602Exploit
- http://www.exploit-db.com/exploits/17872Exploit
- http://www.openwall.com/lists/oss-security/2011/11/03/4
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.