[ CVE-2026-102586 · Published 30 Sep 2026 ]

Vulnerability in moodle

CVSS 6.1 EPSS <1%1 agency advisoryFix available

[ Description ]Official 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.

[ Fixes ]Fixes and patches

Patch on git.moodle.orgVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ Advisories ]Government CERT advisories

BSI CERT-Bund30 Sep 2026WID-SEC-2026-3686

Moodle: Multiple vulnerabilities Translated from German
CVE-2026-102588CVE-2026-102585CVE-2026-102587+1 more CVEs

[ References ]References

git.moodle.org/gwPatch
access.redhat.com/security/cve/CVE-2026-102586Third Party Advisory
bugzilla.redhat.com/show_bug.cgiIssue TrackingThird Party Advisory
moodle.org/mod/forum/discuss.phpVendor Advisory

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

Moodle: Multiple vulnerabilities Translated from German

[ References ]References