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6.1

Moodle allows malicious JavaScript in content renaming

CVE-2020-25702 · published 5 years ago
Summary

Moodle versions 3.9 to 3.9.2 allow an attacker to inject malicious JavaScript code when renaming content in a content bank. This could potentially lead to unauthorized actions or data theft. Update to Moodle 3.9.3 or 3.10 to fix the issue.

What to do
  • Update moodle moodle to version 3.9.3.
Affected software
Ecosystem VendorProductAffected versions
composer moodle moodle >= 3.9.0, < 3.9.3
Fix: upgrade to 3.9.3
– moodle moodle >= 3.9, < 3.9.3
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
– fedoraproject fedora 32
33
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Ubuntu:16.04:LTS canonical moodle All versions
Original advisory text
In Moodle, it was possible to include JavaScript when re-naming content bank items. Versions affected: 3.9 to 3.9.2. This is fixed in moodle 3.9.3 and 3.10.
In Moodle, it was possible to include JavaScript when re-naming content bank items. Versions affected: 3.9 to 3.9.2. This is fixed in moodle 3.9.3 and 3.10.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.1 Medium
Exploitation
1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published19 Nov 2020
Updated4 Nov 2026
First seen6 Mar 2026
Sources
GHSA-pgcp-m69h-p2gr · GHSA
CVE-2020-25702 · NVD
UBUNTU-CVE-2020-25702 · OSV
CVE-2020-25702 · OSV
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