CVE-2024-34000

moodle: stored XSS in lesson overview report via user ID number

4.3 MediumFix available

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

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: None
Availability: Low

Exploit likelihood

0.50%Up 0.5 points since Jun 1, 2024

What each source reports

CVE List Score used 4.3

moodle: stored XSS in lesson overview report via user ID number

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

Record: CVE-2024-34000
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2024-1528 4.3

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

Record: EUVD-2024-1528
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8qwh-4vwv-7c5m 4.3

Moodle Cross-site Scripting (XSS)

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

Record: GHSA-8qwh-4vwv-7c5m
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 4.3

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

Record: CVE-2024-34000
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-79
Updated: 2026-11-02

OSV 4.3

moodle: stored XSS in lesson overview report via user ID number

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

Record: CVE-2024-34000
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-8qwh-4vwv-7c5m 4.3

Moodle Cross-site Scripting (XSS)

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

Record: GHSA-8qwh-4vwv-7c5m
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-79
Updated: 2026-11-02

OSVUBUNTU-CVE-2024-34000 4.3

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

Record: UBUNTU-CVE-2024-34000
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVBIT-moodle-2024-34000 No score

moodle: stored XSS in lesson overview report via user ID number

ID numbers displayed in the lesson overview report required additional sanitizing to prevent a stored XSS risk.

Record: BIT-moodle-2024-34000
Updated: 2026-11-02

Affected products

moodle

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	4.3.0 up to 4.3.4	4.3.4
`moodle/moodle` Packagist	4.2.0 up to 4.2.7	4.2.7
`moodle/moodle` Packagist	before 4.1.10	4.1.10
`moodle` Bitnami	before 4.1.10, 4.2.0 up to 4.2.7, 4.3.0 up to 4.3.4	4.1.104.2.74.3.4
`moodle/moodle` Packagist	4.3.0 up to 4.3.4, plus listed versions v4.3.0v4.3.1v4.3.2v4.3.3	4.3.4
`moodle/moodle` Packagist	4.2.0 up to 4.2.7, plus listed versions v4.2.0v4.2.1v4.2.2v4.2.3v4.2.4v4.2.5v4.2.6	4.2.7
`moodle/moodle` Packagist	before 4.1.10, 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	4.1.10
`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 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2024-34000 is a medium vulnerability (CVSS 4.3) in Moodle, published May 31, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. Fixed in moodle/moodle 4.3.4.

References

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This page doesn't list everything

Left out here: 292 versions. The JSON record has them.