Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-p7v9-gjrh-563x
Advisory ID github_osv/GHSA-p7v9-gjrh-563x
Aliases CVE-2018-10891
Summary Moodle XSS Vulnerability A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. When a quiz question bank is imported, it was possible for the question preview that is displayed to execute JavaScript that is written into the question bank.
Status Published
Exploitability 0.5
Weighted Severity 6.6
Risk 3.3
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3.1 7.3 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-p7v9-gjrh-563x/GHSA-p7v9-gjrh-563x.json
generic_textual HIGH
Reference id Reference type URL
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10891
https://github.com/moodle/moodle
https://github.com/moodle/moodle/commit/0b18d0c960c27994dd9870d286f2da3fa5868c06
https://moodle.org/mod/forum/discuss.php?d=373371
https://web.archive.org/web/20210124185945/https://www.securityfocus.com/bid/104739
CVE-2018-10891 https://nvd.nist.gov/vuln/detail/CVE-2018-10891
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:N/UI:N/S:U/C:L/I:L/A:L Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-p7v9-gjrh-563x/GHSA-p7v9-gjrh-563x.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.