XSS in Moodle
CVE-2018-1081
A flaw was found in Moodle 3.4 to 3.4.1, 3.3 to 3.3.4, 3.2 to 3.2.7, 3.1 to 3.1.10 and earlier unsupported versions. Unauthenticated users can trigger custom messages to admin via paypal enrol script. Paypal IPN callback script should only send error emails to admin after request origin was verified, otherwise admin email can be spammed.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: -0.000
Affected products
- Moodle
- Red Hat, Inc. Moodle — versions 3.4 to 3.4.1, 3.3 to 3.3.4, 3.2 to 3.2.7, 3.1 to 3.1.10 and earlier unsupported versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.moodle.org/gw (Patch, Vendor Advisory)
- moodle.org/mod/forum/discuss.php (Vendor Advisory)
- www.securityfocus.com/bid/103728 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-1081?
- CVE-2018-1081 is a medium-severity vulnerability in Moodle, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2018-04-04.
- How severe is CVE-2018-1081?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2018-1081 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.