What is CVE-2018-10183?

CVE-2018-10183 is a medium-severity vulnerability in Bigtreecms Bigtree Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-17.

How severe is CVE-2018-10183?

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

XSS in Bigtreecms Bigtree Cms

CVE-2018-10183

An issue was discovered in BigTree 4.2.22. There is cross-site scripting (XSS) in /core/inc/lib/less.php/test/index.php because of a $_SERVER['REQUEST_URI'] echo, as demonstrated by the dir parameter in a file=charsets action.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-04-17 · 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: 0.007 (50.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000

Affected products

Bigtreecms Bigtree Cms — versions 4.2.22

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/bigtreecms/BigTree-CMS/issues/333 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-10183?: CVE-2018-10183 is a medium-severity vulnerability in Bigtreecms Bigtree Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-17.
How severe is CVE-2018-10183?: Medium severity. CVSS v3 base score is 6.1 out of 10.