What is CVE-2023-43648?

CVE-2023-43648 is a medium-severity vulnerability in Basercms, classified under Path Traversal. CVSS score: 4.9/10. Published 2023-10-30.

How severe is CVE-2023-43648?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Path Traversal in Basercms

CVE-2023-43648

baserCMS is a website development framework. Prior to version 4.8.0, there is a Directory Traversal Vulnerability in the form submission data management feature of baserCMS. Version 4.8.0 contains a patch for this issue.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-10-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% 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

Basercms
Baserproject Basercms — versions < 4.8.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/baserproject/basercms/security/advisories/GHSA-hmqj-gv2m-hq55 (Third Party Advisory)
github.com/baserproject/basercms/commit/7555a5cf0006755dc0223fffc2d882b50a97758b (Patch, Third Party Advisory)
basercms.net/security/JVN_81174674 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-43648?: CVE-2023-43648 is a medium-severity vulnerability in Basercms, classified under Path Traversal. CVSS score: 4.9/10. Published 2023-10-30.
How severe is CVE-2023-43648?: Medium severity. CVSS v3 base score is 4.9 out of 10.