CVE-2021-37389 json
Chamilo 1.11.14 allows stored XSS via main/install/index.php and main/install/ajax.php through the port parameter.
published 2021-08-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23958
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
Chamilo 1.11.14 allows stored XSS via main/install/index.php and main/install/ajax.php through the port parameter.
Patch / fix
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gitbook.seguranca-informatica.pt https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chamilo-lms-1.11.14-xss-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/chamilo/chamilo-lms/commit/dfae49f5dc392c00cd43badcb3043db3a646ff0c
patch, third-party-advisory
-
gitbook.seguranca-informatica.pt
/cve-and-exploits/cves/chamilo-lms-1.11.14-xss-vulnerabilities
exploit, third-party-advisory
Sources
- CVE List CVE-2021-37389
- NVD CVE-2021-37389
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.