GHSA-qrxh-46mr-pr7q: TYPO3 is susceptible to Cross-Site Flashing

medium Affects typo3/cms. Feed 2026.10.29.4, updated 2026-10-29; published 2024-06-03; advisory modified 2024-11-29.

TYPO3 is susceptible to Cross-Site Flashing

Package: typo3/cms Composer
Affected versions: >=6.2.0 and <6.2.16
Fixed in: 6.2.16
Severity: medium
Exploitation: not on CISA KEV
Published: 2024-06-03
Source: osv.dev

References

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

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CVE-2009-0815 medium TYPO3 leaks a hash secret in an error message same package: typo3/cms
CVE-2010-3714 high TYPO3 Remote File Disclosure vulnerability in the jumpUrl mechanism same package: typo3/cms
CVE-2020-8091 medium Typo3 Cross-Site Scripting in Flash component (ELTS) same package: typo3/cms
CVE-2018-14041 medium Bootstrap Cross-site Scripting vulnerability same package: typo3/cms
CVE-2019-11832 high TYPO3 Image Processing susceptible to Code Execution same package: typo3/cms