What is CVE-2018-10574?

CVE-2018-10574 is a critical-severity vulnerability in Bigtreecms Bigtree Cms, classified under Code Injection. CVSS score: 9.8/10. Published 2018-04-30.

How severe is CVE-2018-10574?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Bigtreecms Bigtree Cms

CVE-2018-10574

site/index.php/admin/trees/add/ in BigTree 4.2.22 and earlier allows remote attackers to upload and execute arbitrary PHP code because the BigTreeStorage class in core/inc/bigtree/apis/storage.php does not prevent uploads of .htaccess files.

Vulnerability class: RCE (Remote Code Execution)

Published 2018-04-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (81.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: -0.000

Affected products

Bigtreecms Bigtree Cms

Weakness classification (CWE)

CWE-94 — Code Injection

References

github.com/bigtreecms/BigTree-CMS/issues/335 (Exploit, Third Party Advisory, Issue Tracking)
github.com/bigtreecms/BigTree-CMS/commit/609bd17728ee1db0487a42d96028d30537528a… (Patch)

Frequently asked questions

What is CVE-2018-10574?: CVE-2018-10574 is a critical-severity vulnerability in Bigtreecms Bigtree Cms, classified under Code Injection. CVSS score: 9.8/10. Published 2018-04-30.
How severe is CVE-2018-10574?: Critical severity. CVSS v3 base score is 9.8 out of 10.