CVE-2026-39878 — Chamilo stored XSS via user registration leads to admin account takeover
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 ar…
Published: 2026-07-20 · CVSS: 9.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7