XSS in Moodle
CVE-2022-35651
A stored XSS and blind SSRF vulnerability was found in Moodle, occurs due to insufficient sanitization of user-supplied data in the SCORM track details. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website to steal potentially sensitive information, change appearance of the web page, can perform phishing and drive-by-download attacks.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.010 (59.8th 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 4.0.0, 4.0.1
- Fedoraproject Fedora — versions 35, 36
- Redhat Enterprise_linux — versions 8.0
- N/a Moodle — versions Fixed in moodle 4.0.2, moodle 3.11.8, moodle 3.9.15
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patrick@puiterwijk.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- patrick@puiterwijk.org (x_refsource_MISC, Vendor Advisory)
- patrick@puiterwijk.org (Patch, x_refsource_MISC, Vendor Advisory)
- patrick@puiterwijk.org (x_refsource_FEDORA, vendor-advisory)
- patrick@puiterwijk.org (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2022-35651?
- CVE-2022-35651 is a medium-severity vulnerability in Moodle, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-07-25.
- How severe is CVE-2022-35651?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2022-35651 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.