CVE-2011-4106

Exp

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.

Published: 2013-10-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4106 is rated High Exploit Risk (73.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 23.16%, 97th percentile). 5 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-4106

EDB-ID Source Kind Published Link
17872 exploit_db edb 2011-09-19 Exploit-DB ↗
17602 exploit_db edb 2011-08-03 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-4106

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 26.33% 23.16% -3.17%
2 2025-08-11 28.55% 26.33% -2.22%
3 2025-06-11 — 28.55% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4106

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.6 6.4 [email protected]

Weakness enumeration for CVE-2011-4106

Affected software / configurations for CVE-2011-4106

Vendor Product Version Raw CPE
binarymoon timthumb <= 1.99 cpe:2.3:a:binarymoon:timthumb:*:*:*:*:*:*:*:*

References for CVE-2011-4106

cvelogic Threat Intelligence