CVE-2026-102586

EUVD-2026-89725
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 20.32%
Affected Products (NVD)
VendorProductVersion
moodlemoodle
𝑥
< 4.5.13
moodlemoodle
5.0.0 ≤
𝑥
< 5.0.9
moodlemoodle
5.1.0 ≤
𝑥
< 5.1.6
moodlemoodle
5.2.0 ≤
𝑥
< 5.2.2
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
moodle
bionic
needs-triage
jammy
dne
noble
dne
resolute
dne
xenial
needs-triage