CVE-2026-39878

critical · 9.3

Chamilo LMS versions 1.11.38 and earlier contain a stored cross-site scripting vulnerability in the user registration form that allows any unauthenticated attacker to execute arbitrary JavaScript in an administrator's browser session, leading to full platform admin account takeover. This has been patched in 1.11.40.

9.3

CVSS

0.4%

EPSS (exploit prob.)

37th

EPSS percentile

2026-07-20

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Weaknesses

CWE-79

References

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-gcjp-f7jm-rrrg
https://vokecyber.com/research/cve-2026-39878-chamilo-lms-stored-xss

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-39878