CVE-2012-3531: Typo3 Install Tool XSS Vulnerability

medium Affects typo3/cms. Feed 2026.10.28.3, updated 2026-10-28; published 2022-05-17; advisory modified 2024-01-12.

Typo3 Install Tool XSS Vulnerability

Package: typo3/cms Composer
Affected versions: >=4.5 and <4.5.19 or >=4.6 and <4.6.12 or >=4.7 and <4.7.4
Fixed in: 4.5.19, 4.6.12, 4.7.4
Severity: medium
Exploitation: not on CISA KEV · EPSS 1% (74.0th percentile)
Published: 2022-05-17
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.

# one-time install
pip install phpwarden

# then
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

CVE-2016-5385 high HTTP Proxy header vulnerability same package: typo3/cms
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