CVE-2026-102586

MEDIUMCVSS 4.3/10

Last modified

CVE-2026-102586 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
——>= 5.2.0, < 5.2.2; >= 5.1.0, < 5.1.6; >= 5.0.0, < 5.0.9; < 4.5.13

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-102586?
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.
How severe is CVE-2026-102586?
CVE-2026-102586 has a CVSS score of 4.3/10 (MEDIUM severity).
How do I fix CVE-2026-102586?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST