What is CVE-2021-36425?

CVE-2021-36425 is a medium-severity vulnerability in Phpwcms, classified under Path Traversal. CVSS score: 5.4/10. Published 2023-02-03.

How severe is CVE-2021-36425?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Path Traversal in Phpwcms

CVE-2021-36425

Directory traversal vulnerability in phpcms 1.9.25 allows remote attackers to delete arbitrary files via unfiltered $file parameter to unlink method in include/inc_act/act_ftptakeover.php file.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-02-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.010 (60.9th percentile), scored 2026-10-09.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Phpwcms

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/slackero/phpwcms/issues/311 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-36425?: CVE-2021-36425 is a medium-severity vulnerability in Phpwcms, classified under Path Traversal. CVSS score: 5.4/10. Published 2023-02-03.
How severe is CVE-2021-36425?: Medium severity. CVSS v3 base score is 5.4 out of 10.