VulnSocial

CVE-2026-39878Patch

LOWCVSS 9.3 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-07-20); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-07-20: 1Mentions · 2026-07-21: 1Patch / Workaround · 2026-07-20: 1Technical Details · 2026-07-21: 107-2007-21
Signal classification2 categories
Patch
150.0%
Disclosure
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-07-201
Patch1
2026-07-211
Disclosure1
Full discourse2 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-39878 Stored Cross-Site Scripting in Chamilo LMS 1.11.38 Enables Admin Account Takeover https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-39878

    Post summary

    The post announces a Stored XSS vulnerability in Chamilo LMS 1.11.38 that can lead to admin account takeover, providing basic technical details but no exploit or patch information.

    0000074
    4.1K followersView on X
  • MalwareObserver@MalwareObserver
    Patch

    🐛 VULNERABILITIES CVE Notify: 🚨 [CVE-2026-39878](https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-gcjp-f7jm-rrrg) ... https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-gcjp-f7jm-rrrg #ZeroDay #PatchManagement #Vulnerability

    Post summary

    The tweet announces CVE-2026-39878 and links to a GitHub advisory, indicating that a patch or mitigation is available.

    0000038
    13 followersView on X

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