VULNERABILITY INTELLIGENCE

CVE-2026-39878

CVSS score9.3 CRITICAL
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-07-20
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Description

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.

Weakness classification

  • security-advisories@github.com: CWE-79

Primary references