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Vulnerability details: VCID-dgyk-19pu-ffh9
Vulnerability ID VCID-dgyk-19pu-ffh9
Aliases CVE-2023-35131
GHSA-fwfj-8p36-rc64
Summary Moodle vulnerable to Cross-site Scripting Content on the groups page required additional sanitizing to prevent an XSS risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8 and 3.11 to 3.11.14.
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
cvssv3.1 6.1 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76683
generic_textual MODERATE http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76683
epss 0.00594 https://api.first.org/data/v1/epss?cve=CVE-2023-35131
epss 0.00594 https://api.first.org/data/v1/epss?cve=CVE-2023-35131
cvssv3.1 6.1 https://bugzilla.redhat.com/show_bug.cgi?id=2214369
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=2214369
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2214369
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-fwfj-8p36-rc64
cvssv3.1 6.1 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 6.1 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
generic_textual MODERATE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
cvssv3.1 6.1 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC/
cvssv3.1 6.1 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
generic_textual MODERATE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
cvssv3.1 6.1 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT/
cvssv3.1 6.1 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
generic_textual MODERATE https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
cvssv3.1 6.1 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
generic_textual MODERATE https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
cvssv3.1 6.1 https://moodle.org/mod/forum/discuss.php?d=447829
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=447829
ssvc Track https://moodle.org/mod/forum/discuss.php?d=447829
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2023-35131
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2023-35131
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76683
https://api.first.org/data/v1/epss?cve=CVE-2023-35131
https://bugzilla.redhat.com/show_bug.cgi?id=2214369
https://github.com/moodle/moodle
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT/
https://moodle.org/mod/forum/discuss.php?d=447829
https://nvd.nist.gov/vuln/detail/CVE-2023-35131
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:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:4.2.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:4.2.0:*:*:*:*:*:*:*
GHSA-fwfj-8p36-rc64 https://github.com/advisories/GHSA-fwfj-8p36-rc64
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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-76683
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=2214369
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T01:18:00Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2214369
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC/
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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T01:18:00Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT/
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

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required

unchanged

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T01:18:00Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7A72KX4WU6GK2CX4TKYFGFASPKOEOJFC
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

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required

unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I5QAEAGJ44NVXLAJFJXKARKC45OGEDXT
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

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=447829
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

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required

unchanged

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high

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-16T01:18:00Z/ Found at https://moodle.org/mod/forum/discuss.php?d=447829
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-35131
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

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Exploit Prediction Scoring System (EPSS)
Percentile 0.68281
EPSS Score 0.00594
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:15:49.478114+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/06/GHSA-fwfj-8p36-rc64/GHSA-fwfj-8p36-rc64.json 36.1.3