CVE•Published 2026-07-20•Modified 2026-08-21•1 article on news•6 live references•NVD data
CVE-2026-39878
Vulnerability data via NVD (ingested)
CVSS v3.1
9.3
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
EPSS percentile
15
Exploit Prediction Scoring System · top 85% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2026-07-20
Modified 2026-08-21
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-39878Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-39878Censys host search filtered to this CVE id.
grep.app
CVE-2026-39878Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-39878GitHub code search for direct mentions.
Google dork
"CVE-2026-39878" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-39878 on GitHub.