The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
Why it matters now
EPSS 0.00555 46th percentileScored 2026-11-07
Fix Fixed haffner/jh_captcha (Packagist): 3.0.3, 2.1.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | haffner/jh_captcha (Packagist) | 3.0.0 to before 3.0.3 | 3.0.3 | Patch available | GHSA-23fm-v895-3qxq |
| — | haffner/jh_captcha (Packagist) | before 2.1.4 | 2.1.4 | Patch available | GHSA-23fm-v895-3qxq |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- haffner/jh_captcha (Packagist) Vendor— Affected 3.0.0 to before 3.0.3 Fixed in 3.0.3 Patch available GHSA-23fm-v895-3qxq
- haffner/jh_captcha (Packagist) Vendor— Affected before 2.1.4 Fixed in 2.1.4 Patch available GHSA-23fm-v895-3qxq
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jh_captcha_project:jh_captcha:*:*:*:*:*:typo3:*:* | up to 2.1.3; 3.0.0 – 3.0.2 | Vulnerable | Jh Captcha Project |
- cpe:2.3:a:jh_captcha_project:jh_captcha:*:*:*:*:*:typo3:*:* Versions up to 2.1.3; 3.0.0 – 3.0.2 Vulnerable ·Jh Captcha Project
Remediation
- Fix · GHSA-23fm-v895-3qxq haffner/jh_captcha (Packagist) Fixed in 3.0.3 Advisory →
- Fix · GHSA-23fm-v895-3qxq haffner/jh_captcha (Packagist) Fixed in 2.1.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15514
- 2026-10-03 Alias added: GHSA-23fm-v895-3qxq
References
Sources
- CVE-2020-15514 · CVE Program
- CVE-2020-15514 · NVD
- FIRST EPSS
- GHSA-23fm-v895-3qxq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences