CVE-2022-40208

Moodle may allow students to bypass sequential navigation during a quiz attempt

4.3 MediumFix available

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.56%Up 0.5 points since Mar 25, 2023

What each source reports

NVD Score used 4.3

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Record: CVE-2022-40208
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-285
Updated: 2026-11-02

CVE List 4.3

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Record: CVE-2022-40208
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-285
Updated: 2026-11-02

EUVDEUVD-2023-0958 4.3

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Record: EUVD-2023-0958
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-948f-j464-rfj2 4.3

Moodle may allow students to bypass sequential navigation during a quiz attempt

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Record: GHSA-948f-j464-rfj2
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-285
Updated: 2026-11-02

OSV 4.3

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Record: CVE-2022-40208
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-285
Updated: 2026-11-02

OSVGHSA-948f-j464-rfj2 4.3

Moodle may allow students to bypass sequential navigation during a quiz attempt

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Record: GHSA-948f-j464-rfj2
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-285
Updated: 2026-11-02

OSVUBUNTU-CVE-2022-40208 4.3

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Record: UBUNTU-CVE-2022-40208
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Updated: 2026-11-02

OSVBIT-moodle-2022-40208 No score

In Moodle, insufficient limitations in some quiz web services made it possible for students to bypass sequential navigation during a quiz attempt.

Record: BIT-moodle-2022-40208
Updated: 2026-11-02

Affected products

moodle

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	4.0.0 up to 4.0.3	4.0.3
`moodle/moodle` Packagist	3.11.0 up to 3.11.9	3.11.9
`moodle/moodle` Packagist	before 3.9.16	3.9.16
`moodle` Bitnami	3.9.0 up to 3.9.16, 3.11.0 up to 3.11.9, 4.0.0 up to 4.0.3	3.9.163.11.94.0.3
`moodle/moodle` Packagist	4.0.0 up to 4.0.3, plus listed versions v4.0.0v4.0.1v4.0.2	4.0.3
`moodle/moodle` Packagist	3.11.0 up to 3.11.9, plus listed versions v3.11.0v3.11.1v3.11.2v3.11.3v3.11.4 Show 4 moreShow less v3.11.5v3.11.6v3.11.7v3.11.8	3.11.9
`moodle/moodle` Packagist	before 3.9.16, 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	3.9.16
`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
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2022-40208 is a medium vulnerability (CVSS 4.3) in Moodle, published March 24, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. Fixed in moodle/moodle 4.0.3.

References

This page doesn't list everything

Left out here: 213 versions. The JSON record has them.