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CVE-2025-67852

Moodle: moodle: open redirect vulnerability in oauth login flow allows redirection to malicious sites.

3.5 LowFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.26%Up 0.2 points since Feb 3, 2026
90%50%10%1%

What each source reports

CVE List Score used 3.5

Moodle: moodle: open redirect vulnerability in oauth login flow allows redirection to malicious sites.

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.

Record
CVE-2025-67852
CVSS 3.1
3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Weakness
CWE-601
Updated
2026-11-02
EUVDEUVD-2025-206747 3.5

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.

Record
EUVD-2025-206747
CVSS 3.1
3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-qv78-6gpp-hm68 3.5

Moodle Open Redirect vulnerability

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.

Record
GHSA-qv78-6gpp-hm68
CVSS 3.1
3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Weakness
CWE-601
Updated
2026-11-02
NVD 3.5

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.

Record
CVE-2025-67852
CVSS 3.1
3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-601
Updated
2026-11-02
OSV 3.5

Moodle: moodle: open redirect vulnerability in oauth login flow allows redirection to malicious sites.

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.

Record
CVE-2025-67852
CVSS 3.1
3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Weakness
CWE-601
Updated
2026-11-02
OSVGHSA-qv78-6gpp-hm68 3.5

Moodle Open Redirect vulnerability

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.

Record
GHSA-qv78-6gpp-hm68
CVSS 3.1
3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Weakness
CWE-601
Updated
2026-11-02
OSVUBUNTU-CVE-2025-67852 3.5

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.

Record
UBUNTU-CVE-2025-67852
CVSS 3.1
3.5 LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVBIT-moodle-2025-67852 No score

Moodle: moodle: open redirect vulnerability in oauth login flow allows redirection to malicious sites.

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.

Record
BIT-moodle-2025-67852
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
moodle/moodle
Packagist
before 4.1.22
4.1.22
moodle/moodle
Packagist
4.4.0-beta up to 4.4.12
4.4.12
moodle/moodle
Packagist
4.5.0-beta up to 4.5.8
4.5.8
moodle/moodle
Packagist
5.0.0-beta up to 5.0.4
5.0.4
moodle/moodle
Packagist
5.1.0-beta up to 5.1.1
5.1.1
moodle
Bitnami
before 4.1.22, 4.4.0 up to 4.4.11, 4.5.0 up to 4.5.8, 5.0.0 up to 5.0.4, 5.1.0 up to 5.1.1
4.1.224.4.114.5.85.0.45.1.1
moodle/moodle
Packagist
before 4.1.22, plus listed versions
v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6
Show 45 moreShow less
v2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9v2.7.0v2.7.0-betav2.7.0-rc1
4.1.22
moodle/moodle
Packagist
4.4.0-beta up to 4.4.12, plus listed versions
v4.4.0v4.4.0-betav4.4.0-rc1v4.4.0-rc2v4.4.1
Show 10 moreShow less
v4.4.10v4.4.11v4.4.2v4.4.3v4.4.4v4.4.5v4.4.6v4.4.7v4.4.8v4.4.9
4.4.12
moodle/moodle
Packagist
4.5.0-beta up to 4.5.8, plus listed versions
v4.5.0v4.5.0-betav4.5.0-rc1v4.5.0-rc2v4.5.1
Show 6 moreShow less
v4.5.2v4.5.3v4.5.4v4.5.5v4.5.6v4.5.7
4.5.8
moodle/moodle
Packagist
5.0.0-beta up to 5.0.4, plus listed versions
v5.0.0v5.0.0-betav5.0.0-rc1v5.0.0-rc2v5.0.0-rc3v5.0.1v5.0.2v5.0.3
5.0.4
moodle/moodle
Packagist
5.1.0-beta up to 5.1.1, plus listed versions
v5.1.0v5.1.0-betav5.1.0-rc1v5.1.0-rc2
5.1.1
moodle
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1
None known
moodle
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1
None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-67852 is a low vulnerability (CVSS 3.5) in Moodle, published February 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. Fixed in moodle/moodle 4.1.22.

References

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Left out here: 304 versions. The JSON record has them.

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