How severe is CVE-2011-4106?

CVE-2011-4106 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2011-4106 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4106?

CVE-2011-4106 affects Binarymoon Timthumb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4106?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4106 published?

CVE-2011-4106 was published on 2013-10-26 and last updated on 2026-06-16.

CVE-2011-4106

CVE-2011-4106 is a medium-severity vulnerability in Binarymoon Timthumb with a CVSS 2.0 base score of 6.8. Its EPSS exploit-prediction score of 23% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 23% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Binarymoon Timthumb
Published: 2013-10-26
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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 a direct request to the file in the cache directory, as exploited in the wild in August 2011.
How severe is CVE-2011-4106?: CVE-2011-4106 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-4106 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4106?: CVE-2011-4106 affects Binarymoon Timthumb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4106?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4106 published?: CVE-2011-4106 was published on 2013-10-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:binarymoon:timthumb:*:*:*:*:*:*:*:*

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