Search for vulnerabilities
Vulnerability details: VCID-evux-k98a-rubu
Vulnerability ID VCID-evux-k98a-rubu
Aliases CVE-2021-32475
GHSA-5wjh-v7c8-wrhx
Summary Moodle stored Cross-site Scripting ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk. Moodle 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8, 3.5 to 3.5.17 and earlier unsupported versions are affected.
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-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2021-32475
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2021-32475
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-5wjh-v7c8-wrhx
cvssv3.1 5.4 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 5.4 https://moodle.org/mod/forum/discuss.php?d=422309
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=422309
cvssv2 3.5 https://nvd.nist.gov/vuln/detail/CVE-2021-32475
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2021-32475
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-32475
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-32475
https://github.com/moodle/moodle
https://moodle.org/mod/forum/discuss.php?d=422309
https://nvd.nist.gov/vuln/detail/CVE-2021-32475
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
GHSA-5wjh-v7c8-wrhx https://github.com/advisories/GHSA-5wjh-v7c8-wrhx
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 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://moodle.org/mod/forum/discuss.php?d=422309
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: AV:N/AC:M/Au:S/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-32475
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
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-2021-32475
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 0.71714
EPSS Score 0.00731
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:25:01.730084+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/03/GHSA-5wjh-v7c8-wrhx/GHSA-5wjh-v7c8-wrhx.json 36.1.3