CVE-2021-26746 json
Chamilo 1.11.14 allows XSS via a main/calendar/agenda_list.php?type= URI.
published 2021-02-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-13533
- 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 62%
- public exploits
- 0
- none known
Summary
Chamilo 1.11.14 allows XSS via a main/calendar/agenda_list.php?type= URI.
Patch / fix
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
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/d939402d83bf68af5377b629883d8e5437d843ec
patch, third-party-advisory
-
support.chamilo.org
/projects/chamilo-18/wiki/Security_issues#Issue-45-2021-01-21-Moderate-impact-moderate-risk-XSS-vulnerability-
vendor-advisory
-
netsparker.com
/web-applications-advisories/ns-21-001-cross-site-scripting-in-chamilo-lms/
third-party-advisory
Sources
- CVE List CVE-2021-26746
- NVD CVE-2021-26746
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.