XSS in Moodle
CVE-2018-1136
An issue was discovered in Moodle 3.x. An authenticated user is allowed to add HTML blocks containing scripts to their Dashboard; this is normally not a security issue because a personal dashboard is visible to this user only. Through this security vulnerability, users can move such a block to other pages where they can be viewed by other users.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.010 (58.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Moodle
- N/a Moodle 3.x Unknown — versions Moodle 3.x unknown
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-1136?
- CVE-2018-1136 is a medium-severity vulnerability in Moodle, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2018-05-25.
- How severe is CVE-2018-1136?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2018-1136 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.