Vulnerability · Published Nov 9, 2023 · Assigned by fedora

CVE-2023-5547Moodle: xss risk when previewing data in course upload tool

Low 3.3

In plain English

A low-severity cross-site scripting in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.5%top 54.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The course upload preview contained an XSS risk for users uploading unsafe data.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmoodle/moodle4.3.0-rc2GHSA-9gqp-3g28-w9xc

Affected products (as reported)

VendorProductVersions
moodle 4.2.0 – before 4.2.34.1.0 – before 4.1.64.0.0 – before 4.0.113.11.0 – before 3.11.170 – before 3.9.24

Weakness: CWE-79 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References