CVE-2025-26529: Stored XSS risk in admin live log
Description information displayed in the site administration live log required additional sanitizing to prevent a stored XSS risk.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/moodle/moodleto a version that resolves this vulnerability.Fixed in 4.1.16 - Upgrade
Upgrade
composer/moodle/moodleto a version that resolves this vulnerability.Fixed in 4.3.10 - Upgrade
Upgrade
composer/moodle/moodleto a version that resolves this vulnerability.Fixed in 4.4.6 - Upgrade
Upgrade
composer/moodle/moodleto a version that resolves this vulnerability.Fixed in 4.5.2
Event History
Frequently Asked Questions
What is the severity of CVE-2025-26529?
CVE-2025-26529 is considered a medium severity vulnerability due to the potential for stored cross-site scripting (XSS).
How do I fix CVE-2025-26529?
To fix CVE-2025-26529, upgrade to Moodle versions 4.1.16, 4.3.10, 4.4.6, or 4.5.2 or later where the vulnerability has been resolved.
What type of vulnerability is CVE-2025-26529?
CVE-2025-26529 is a stored cross-site scripting (XSS) vulnerability that arises from inadequate input sanitization in the live log.
What software versions are affected by CVE-2025-26529?
CVE-2025-26529 affects Moodle versions prior to 4.1.16, 4.3.10, 4.4.6, and 4.5.2.
Can CVE-2025-26529 be exploited remotely?
Yes, CVE-2025-26529 can be exploited remotely, allowing attackers to inject malicious scripts via the affected live log feature.