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Vulnerability details: VCID-m1qa-dejs-13gc
Vulnerability ID VCID-m1qa-dejs-13gc
Aliases CVE-2023-23922
GHSA-grmj-gpwm-98ww
Summary Moodle Cross-site Scripting vulnerability The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in blog search. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.
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-76861
generic_textual MODERATE http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76861
ssvc Track http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76861
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2023-23922
epss 0.00246 https://api.first.org/data/v1/epss?cve=CVE-2023-23922
cvssv3.1 6.1 https://bugzilla.redhat.com/show_bug.cgi?id=2162547
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=2162547
ssvc Track https://bugzilla.redhat.com/show_bug.cgi?id=2162547
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-grmj-gpwm-98ww
cvssv3.1 6.1 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 6.1 https://moodle.org/mod/forum/discuss.php?d=443273#p1782022
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=443273#p1782022
ssvc Track https://moodle.org/mod/forum/discuss.php?d=443273#p1782022
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2023-23922
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2023-23922
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76861
https://api.first.org/data/v1/epss?cve=CVE-2023-23922
https://bugzilla.redhat.com/show_bug.cgi?id=2162547
https://github.com/moodle/moodle
https://moodle.org/mod/forum/discuss.php?d=443273#p1782022
https://nvd.nist.gov/vuln/detail/CVE-2023-23922
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:4.1.0:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:moodle:moodle:4.1.0:-:*:*:*:*:*:*
GHSA-grmj-gpwm-98ww https://github.com/advisories/GHSA-grmj-gpwm-98ww
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-76861
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/2024-07-18T19:34:09Z/ Found at http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76861
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=2162547
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/2024-07-18T19:34:09Z/ Found at https://bugzilla.redhat.com/show_bug.cgi?id=2162547
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

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:N/UI:R/S:C/C:L/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=443273#p1782022
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/2024-07-18T19:34:09Z/ Found at https://moodle.org/mod/forum/discuss.php?d=443273#p1782022
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-2023-23922
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 0.47817
EPSS Score 0.00246
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:14:47.024815+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/02/GHSA-grmj-gpwm-98ww/GHSA-grmj-gpwm-98ww.json 36.1.3