What is CVE-2018-10366?

CVE-2018-10366 is a medium-severity vulnerability in User Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-25.

How severe is CVE-2018-10366?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in User Project

CVE-2018-10366

An issue was discovered in the Users (aka Front-end user management) plugin 1.4.5 for October CMS. XSS exists in the name field.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-04-25 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.025 (84.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

User Project — versions 1.4.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.exploit-db.com/exploits/44546/ (Exploit, VDB Entry, Third Party Advisory, exploit)
github.com/rainlab/user-plugin/commit/098c2bc907443d67e9e18645f850e3de42941d20 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-10366?: CVE-2018-10366 is a medium-severity vulnerability in User Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-25.
How severe is CVE-2018-10366?: Medium severity. CVSS v3 base score is 6.1 out of 10.