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Vulnerability details: VCID-j1j9-2r5b-7ua9
Vulnerability ID VCID-j1j9-2r5b-7ua9
Aliases CVE-2024-33998
GHSA-xqhh-253w-4q5f
Summary Moodle Cross-site Scripting (XSS) Insufficient escaping of participants' names in the participants page table resulted in a stored XSS risk when interacting with some features.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3.1 5.4 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-81354
generic_textual MODERATE http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-81354
epss 0.00949 https://api.first.org/data/v1/epss?cve=CVE-2024-33998
epss 0.00949 https://api.first.org/data/v1/epss?cve=CVE-2024-33998
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-xqhh-253w-4q5f
cvssv3.1 5.4 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 5.4 https://github.com/moodle/moodle/commit/66da9394993d97861f6c80bc4ec4ee9b513d2f33
generic_textual MODERATE https://github.com/moodle/moodle/commit/66da9394993d97861f6c80bc4ec4ee9b513d2f33
cvssv3.1 5.4 https://moodle.org/mod/forum/discuss.php?d=458386
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=458386
ssvc Track https://moodle.org/mod/forum/discuss.php?d=458386
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2024-33998
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2024-33998
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-81354
https://api.first.org/data/v1/epss?cve=CVE-2024-33998
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/66da9394993d97861f6c80bc4ec4ee9b513d2f33
https://moodle.org/mod/forum/discuss.php?d=458386
https://nvd.nist.gov/vuln/detail/CVE-2024-33998
GHSA-xqhh-253w-4q5f https://github.com/advisories/GHSA-xqhh-253w-4q5f
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-81354
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/moodle/moodle
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/moodle/moodle/commit/66da9394993d97861f6c80bc4ec4ee9b513d2f33
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=458386
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-06-03T14:26:53Z/ Found at https://moodle.org/mod/forum/discuss.php?d=458386
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2024-33998
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.75324
EPSS Score 0.00949
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:11:20.650016+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/05/GHSA-xqhh-253w-4q5f/GHSA-xqhh-253w-4q5f.json 36.1.3