CVE-2026-102586
Medium
Description
A flaw was found in Moodle. Insufficient sanitization of username input on the password reset page allows a remote attacker to conduct a cross-site scripting (XSS) attack. By convincing an unauthenticated user to access a specially crafted password reset link, an attacker could execute arbitrary script in the victim's browser.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Moodle
PublishedSep 30, 2026
First seenSep 30, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- moodle moodle4.5.13, 5.0.9, 5.1.6, 5.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| moodle moodle | v < 4.5.13, 5.0.0 ≤ v < 5.0.9, 5.1.0 ≤ v < 5.1.6, 5.2.0 ≤ v < 5.2.2 | 4.5.13, 5.0.9, 5.1.6, 5.2.2 |
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