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VulnerabilityPublished

CVE-2026-30881: chamilo-lms · SQL Injection

Affects chamilo-lmsSource CVE Database V5

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Not known to be exploited · CVSS 8.8 High : upgrade to 1.11.36 soon.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.11.36
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade chamilo-lms and chamilo/chamilo-lms to 1.11.36.

Affected software

ProductAffectedFixed in
chamilochamilo-lmsAffected
  • <1.11.36
Fixed in
  • 1.11.36
GitHubchamilo/chamilo-lmspkg:github/chamilo/chamilo-lmsOther threatsAffected
  • <1.11.36
Fixed in
  • 1.11.36

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Organizations should immediately upgrade Chamilo LMS to version 1.11.36 or later, where the vulnerability is patched. Until upgrading is possible, implement strict input validation and sanitization on the date_start and date_end parameters at the web application firewall (WAF) or reverse proxy level to block malicious payloads. Enforce the principle of least privilege on database accounts used by Chamilo LMS to limit the impact of potential SQL injection. Monitor database and application logs for unusual query patterns or repeated failed attempts targeting the statistics AJAX endpoint. Employ multi-factor authentication (MFA) to reduce the risk of credential compromise, as exploitation requires authentication. Conduct regular security assessments and code reviews focusing on input handling and sanitization practices. Educate administrators and developers about secure coding standards to prevent similar vulnerabilities. Finally, isolate the LMS environment within secure network segments to reduce exposure.

Description

Chamilo LMS is a learning management system. Version 1.11.34 and prior contains a SQL Injection vulnerability in the statistics AJAX endpoint. The parameters date_start and date_end from $_REQUEST are embedded directly into a raw SQL string without proper sanitization. Although Database::escape_string() is called downstream, its output is immediately neutralized by str_replace("\'", "'", ...), which restores any injected single quotes — effectively bypassing the escaping mechanism entirely. This allows an authenticated attacker to inject arbitrary SQL statements into the database query, enabling blind time-based and conditional data extraction. This issue has been patched in version 1.11.36.

References

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