CVE-2025-3643

MEDIUM EPSS 19.3%
Published Apr 25, 20251y ago · Modified Jun 17, 20261w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Apr 25, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

A flaw was found in Moodle. The return URL in the policy tool required additional sanitizing to prevent a reflected Cross-site scripting (XSS) risk.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
19.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 4

VendorProductVersionRange
moodlemoodle* <4.1.18
moodlemoodle*≥4.3.0  –  <4.3.12
moodlemoodle*≥4.4.0  –  <4.4.8
moodlemoodle*≥4.5.0  –  <4.5.4

References 3

  • access.redhat.com https://access.redhat.com/security/cve/CVE-2025-3643
    Third Party Advisory
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2359742
    Issue Tracking
  • moodle.org https://moodle.org/mod/forum/discuss.php?d=467604
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.