6.1

CVE-2026-102586

Moodle: xss via password reset link due to insufficient username escaping

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Moodle ≫ Moodle Version < 4.5.13
Moodle ≫ Moodle Version >= 5.0.0 < 5.0.9
Moodle ≫ Moodle Version >= 5.1.0 < 5.1.6
Moodle ≫ Moodle Version >= 5.2.0 < 5.2.2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.29% 0.191
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.1 2.8 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
patrick@puiterwijk.org 4.3 2.8 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://moodle.org/mod/forum/discuss.php?d=482504
Vendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88335
Patch
https://access.redhat.com/security/cve/CVE-2026-102586
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2543641
Third Party Advisory
Issue Tracking