CVE-2019-16699 json
sr_freecap for Typo3 RCE Vulnerability
published 2019-10-16 7 y ago modified 2026-06-17 4 mo ago also GHSA-598p-rv6p-g7qc , EUVD-2022-2547
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 84%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- packagist sjbr/sr-freecap 2.4.6, 2.5.3
Exploit prediction
2.43% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | sjbr/sr-freecap | >=2.5.0, <2.5.3 <2.4.6 |
2.5.3 2.4.6 |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
extensions.typo3.org
/extension/sr_freecap
web, third-party-advisory
-
typo3.org
/security/advisory/typo3-ext-sa-2019-018/
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-16699
advisory
-
github.com
/mavolkmer/sr-freecap
package
-
typo3.org
/security/advisory/typo3-ext-sa-2019-018
web
Sources
- CVE List CVE-2019-16699
- GitHub Advisory GHSA-598p-rv6p-g7qc
- NVD CVE-2019-16699
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.