TYPO3 doesn't properly check file extensions

published 2014-05-20 12y ago modified 2026-06-16 4mo ago also GHSA-54jj-pxx2-pv8h , EUVD-2013-4153

cvss: 6.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

The (1) file upload component and (2) File Abstraction Layer (FAL) in TYPO3 6.0.x before 6.0.8 and 6.1.x before 6.1.3 do not properly check file extensions, which allow remote authenticated editors to execute arbitrary PHP code by uploading a .php file.

Patch / fix

fixed in 1

packagist typo3/cms 6.0.8, 6.1.3

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Exploit prediction

1.15% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected packages

ecosystem	package	affected	fixed in
packagist	typo3/cms	>=6.0.0, <6.0.8 >=6.1.0, <6.1.3	6.0.8 6.1.3

Classification

Weakness

CWE-20 Improper Input Validation
CWE-434 Unrestricted Upload of File with Dangerous Type

References

typo3.org /teams/security/security-bulletins/typo3-core/typo3-core-sa-2013-002/
vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2013-4250
advisory
github.com /TYPO3/typo3
package
typo3.org /security/advisory/typo3-core-sa-2013-002
web

Sources

CVE List CVE-2013-4250
GitHub Advisory GHSA-54jj-pxx2-pv8h
NVD CVE-2013-4250

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