XSS in Moodle

CVE-2017-12156

Moodle 3.x has XSS in the contact form on the "non-respondents" page in non-anonymous feedback.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (38.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Moodle — versions 3.0.0, 3.0.1, 3.0.2
N/a Moodle 3.x — versions Moodle 3.x

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
secalert@redhat.com (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2017-12156?: CVE-2017-12156 is a medium-severity vulnerability in Moodle, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-09-18.
How severe is CVE-2017-12156?: Medium severity. CVSS v3 base score is 6.1 out of 10.