Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-fm6m-fg23-67jq
Advisory ID github_osv/GHSA-fm6m-fg23-67jq
Aliases CVE-2021-36568
Summary Moodle Cross-site Scripting vulnerability In certain Moodle products after creating a course, it is possible to add in a arbitrary "Topic" a resource, in this case a "Database" with the type "Text" where its values "Field name" and "Field description" are vulnerable to Cross Site Scripting Stored(XSS). This affects Moodle 3.11.x prior to 3.11.10, Moodle 3.10.4, and Moodle 3.9.7.
Status Published
Exploitability 0.5
Weighted Severity 4.9
Risk 2.5
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
cvssv3.1 5.4 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/09/GHSA-fm6m-fg23-67jq/GHSA-fm6m-fg23-67jq.json
generic_textual MODERATE
Reference id Reference type URL
https://blog.hackingforce.com.br/en/cve-2021-36568
https://bugzilla.redhat.com/show_bug.cgi?id=2126857
https://github.com/moodle/moodle
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ERQ3NHVOK4ZXT4MS4LBQ2ZJHTON3LIMW
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PRI4ETMQ4DJR3TZUOOGPBQ32RBD5LNGC
CVE-2021-36568 https://nvd.nist.gov/vuln/detail/CVE-2021-36568
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
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/github/advisory-database/blob/main/advisories/github-reviewed/2022/09/GHSA-fm6m-fg23-67jq/GHSA-fm6m-fg23-67jq.json
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

There are no SSVC decisions available.