CVE-2023-28332: Moodle/moodle Cross-Site Scripting Vulnerability
MODERATECVE-2023-28332 is a MODERATE (CVSS 6.1) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Moodle/moodle libraries in the Packagist ecosystem. The issue involves moodle vulnerable to cross-site scripting when algebra filter enabled but not functional. Remediation is available by upgrading affected packages to version 4.1.2, 4.0.7, 3.11.13, 3.9.20.
CVE-2023-28332 at a Glance
Security Impact
CVSS: 6.1
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
How to Fix CVE-2023-28332
To remediate this vulnerability, upgrade all affected Moodle/moodle dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade moodle/moodle to 4.1.2Upgrade moodle/moodle to 4.0.7Upgrade moodle/moodle to 3.11.13Upgrade moodle/moodle to 3.9.20Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for moodle/moodleHow to Check if You Are Affected
To determine whether your application is affected by CVE-2023-28332, inspect your project dependencies for Moodle/moodle:
inspect dependencies for moodle/moodleAnalyze the terminal output to locate any version of Moodle/moodle in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.1.2), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Moodle/moodle, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2023-28332 Affected Moodle/moodle Versions
4 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
moodle/moodle
|
Packagist |
≥ 4.1.0
< 4.1.2
|
4.1.2
|
|
moodle/moodle
|
Packagist |
≥ 4.0.0
< 4.0.7
|
4.0.7
|
|
moodle/moodle
|
Packagist |
≥ 3.11.0
< 3.11.13
|
3.11.13
|
|
moodle/moodle
|
Packagist |
< 3.9.20
|
3.9.20
|
References
Frequently Asked Questions
What is CVE-2023-28332?
Which Moodle/moodle versions are affected?
What version fixes CVE-2023-28332?
Is moodle/moodle affected?
What is the CVSS score of CVE-2023-28332?
What CWE is associated with CVE-2023-28332?
How can I check Packagist dependencies for CVE-2023-28332?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-9f45-9qrw-pp4v",
"modified" : "2024-04-19T16:22:05Z",
"published" : "2023-03-23T21:30:18Z",
"aliases" : [ "CVE-2023-28332" ],
"summary" : "Moodle vulnerable to Cross-site Scripting when algebra filter enabled but not functional",
"details" : "If the algebra filter was enabled but not functional (eg the necessary binaries were missing from the server), it presented an XSS risk.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.1.0"
}, {
"fixed" : "4.1.2"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "4.0.0"
}, {
"fixed" : "4.0.7"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.11.0"
}, {
"fixed" : "3.11.13"
} ]
} ]
}, {
"package" : {
"ecosystem" : "Packagist",
"name" : "moodle/moodle"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "3.9.20"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-28332"
}, {
"type" : "WEB",
"url" : "https://github.com/moodle/moodle/commit/9f178c1f816e78ec024ab16a10192c81305b2624"
}, {
"type" : "WEB",
"url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2179419"
}, {
"type" : "WEB",
"url" : "https://git.moodle.org/gw?p=moodle.git;a=commitdiff;h=9f178c1f816e78ec024ab16a10192c81305b2624"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/moodle/moodle"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QZN34VSF4HTCW3C3ZP2OZYSLYUKADPF"
}, {
"type" : "WEB",
"url" : "https://moodle.org/mod/forum/discuss.php?d=445064"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-79" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2023-03-23T23:09:05Z",
"nvd_published_at" : "2023-03-23T21:15:00Z"
}
}