How severe is CVE-2011-4334?

CVE-2011-4334 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2011-4334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4334?

CVE-2011-4334 affects Labwiki Project Labwiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4334?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-4334 published?

CVE-2011-4334 was published on 2017-10-23 and last updated on 2026-06-16.

CVE-2011-4334

CVE-2011-4334 is a high-severity vulnerability in Labwiki Project Labwiki with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Labwiki Project Labwiki
Published: 2017-10-23
Last modified: 2026-06-16

Description

edit.php in LabWiki 1.1 and earlier does not properly verify uploaded user files, which allows remote authenticated users to upload arbitrary PHP files via a PHP file with a .gif extension in the userfile parameter.

Frequently asked questions

What is CVE-2011-4334?: edit.php in LabWiki 1.1 and earlier does not properly verify uploaded user files, which allows remote authenticated users to upload arbitrary PHP files via a PHP file with a .gif extension in the userfile parameter.
How severe is CVE-2011-4334?: CVE-2011-4334 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2011-4334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4334?: CVE-2011-4334 affects Labwiki Project Labwiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4334?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-4334 published?: CVE-2011-4334 was published on 2017-10-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:labwiki_project:labwiki:*:*:*:*:*:*:*:*

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →