XSS in Moodle
CVE-2018-14631
moodle before versions 3.5.2, 3.4.5, 3.3.8 is vulnerable to a boost theme - blog search GET parameter insufficiently filtered. The breadcrumb navigation provided by Boost theme when displaying search results of a blog were insufficiently filtered, which could result in reflected XSS if a user followed a malicious link containing JavaScript in the search parameter.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Moodle
- [Unknown] Moodle — versions 3.5.2, 3.4.5, 3.3.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- moodle.org/mod/forum/discuss.php (Patch, Vendor Advisory)
- git.moodle.org/gw (Patch, Vendor Advisory)
- www.securityfocus.com/bid/105371 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2018-14631?
- CVE-2018-14631 is a high-severity vulnerability in Moodle, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2018-09-17.
- How severe is CVE-2018-14631?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-14631 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.