CVE-2013-4250: TYPO3 doesn't properly check file extensions

high Affects typo3/cms. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

TYPO3 doesn't properly check file extensions

Package
typo3/cms Composer
Affected versions
>=6.0.0 and <6.0.8 or >=6.1.0 and <6.1.3
Fixed in
6.0.8, 6.1.3
Severity
high
Exploitation
not on CISA KEV · EPSS 1% (66.8th percentile)
Published
2022-05-17
Source
osv.dev

References

CWE-20CWE-434
NVD recordtypo3/cms advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories