XSS in Moodle
CVE-2023-35131
Content on the groups page required additional sanitizing to prevent an XSS risk. This flaw affects Moodle versions 4.2, 4.1 to 4.1.3, 4.0 to 4.0.8 and 3.11 to 3.11.14.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (48.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Moodle — versions 4.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patrick@puiterwijk.org (x_refsource_REDHAT, issue-tracking)
- patrick@puiterwijk.org (vendor-advisory)
- patrick@puiterwijk.org (vendor-advisory)
- patrick@puiterwijk.org (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-35131?
- CVE-2023-35131 is a medium-severity vulnerability in Moodle, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-06-22.
- How severe is CVE-2023-35131?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2023-35131 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.