CVE-2019-16699: Sr Freecap Project Sr Freecap

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

The sr_freecap (aka freeCap CAPTCHA) extension 2.4.5 and below and 2.5.2 and below for TYPO3 fails to sanitize user input, which allows execution of arbitrary Extbase actions, resulting in Remote Code Execution.

Affected products

• Sr Freecap Project Sr Freecap: from 2.4.0, up to and including 2.4.5; from 2.5.0, up to and including 2.5.2

Published 2019-10-16. Last modified 2026-06-17.