CVE-2020-15514 json
jh_captcha for Typo3 XSS Vulnerability
published 2020-07-07 6 y ago modified 2026-06-17 4 mo ago also GHSA-23fm-v895-3qxq , EUVD-2022-1892
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
The jh_captcha extension through 2.1.3, and 3.x through 3.0.2, for TYPO3 allows XSS.
Patch / fix
- packagist haffner/jh_captcha 2.1.4, 3.0.3
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | haffner/jh_captcha | >=3.0.0, <3.0.3 <2.1.4 |
3.0.3 2.1.4 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
typo3.org
/help/security-advisories
third-party-advisory
-
typo3.org
/security/advisory/typo3-ext-sa-2020-012
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-15514
advisory
Sources
- CVE List CVE-2020-15514
- GitHub Advisory GHSA-23fm-v895-3qxq
- NVD CVE-2020-15514
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.