Medium severity · published Feb 3, 2026
CVE-2025-67852
Moodle: moodle: open redirect vulnerability in oauth login flow allows redirection to malicious sites.
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
A flaw was found in Moodle. An open redirect vulnerability in the OAuth login flow allows a remote attacker to redirect users to attacker-controlled pages after they have successfully authenticated. This occurs due to insufficient validation of redirect parameters, which could lead to phishing attacks or information disclosure.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Moodle · Moodle
before 4.1.22; 4.4.0 before 4.4.11; 4.5.0 before 4.5.8; 5.0.0 before 5.0.4; 5.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-67852
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-67852
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2025-67852
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2423844
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