Search for vulnerabilities
Vulnerability details: VCID-a5sf-e28n-p3gs
Vulnerability ID VCID-a5sf-e28n-p3gs
Aliases CVE-2023-5548
GHSA-cwh2-q44x-5w3c
Summary Moodle Acceptance of Extraneous Untrusted Data With Trusted Data vulnerability Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-345 Insufficient Verification of Data Authenticity
CWE-349 Acceptance of Extraneous Untrusted Data With Trusted Data
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 5.3 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846
generic_textual MODERATE http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2023-5548
epss 0.00277 https://api.first.org/data/v1/epss?cve=CVE-2023-5548
cvssv3.1 5.3 https://bugzilla.redhat.com/show_bug.cgi?id=2243449
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=2243449
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-cwh2-q44x-5w3c
cvssv3.1 5.3 https://github.com/moodle/moodle
generic_textual MODERATE https://github.com/moodle/moodle
cvssv3.1 5.3 https://github.com/moodle/moodle/commit/7679452caff6faa33f00d3f0589c5190bc01a933
generic_textual MODERATE https://github.com/moodle/moodle/commit/7679452caff6faa33f00d3f0589c5190bc01a933
cvssv3.1 5.3 https://moodle.org/mod/forum/discuss.php?d=451589
generic_textual MODERATE https://moodle.org/mod/forum/discuss.php?d=451589
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2023-5548
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2023-5548
Reference id Reference type URL
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846
https://api.first.org/data/v1/epss?cve=CVE-2023-5548
https://bugzilla.redhat.com/show_bug.cgi?id=2243449
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/7679452caff6faa33f00d3f0589c5190bc01a933
https://moodle.org/mod/forum/discuss.php?d=451589
https://nvd.nist.gov/vuln/detail/CVE-2023-5548
GHSA-cwh2-q44x-5w3c https://github.com/advisories/GHSA-cwh2-q44x-5w3c
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-77846
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:N/S:U/C:N/I:L/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=2243449
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:N/S:U/C:N/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:N/S:U/C:N/I:L/A:N Found at https://github.com/moodle/moodle/commit/7679452caff6faa33f00d3f0589c5190bc01a933
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:N/S:U/C:N/I:L/A:N Found at https://moodle.org/mod/forum/discuss.php?d=451589
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:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-5548
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 0.50757
EPSS Score 0.00277
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:15:21.456953+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-cwh2-q44x-5w3c/GHSA-cwh2-q44x-5w3c.json 36.1.3