What is CVE-2023-43649?

CVE-2023-43649 is a medium-severity vulnerability in Basercms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.7/10. Published 2023-10-30.

How severe is CVE-2023-43649?

Medium severity. CVSS v3 base score is 4.7 out of 10.

CSRF in Basercms

CVE-2023-43649

baserCMS is a website development framework. Prior to version 4.8.0, there is a cross site request forgery vulnerability in the content preview feature of baserCMS. Version 4.8.0 contains a patch for this issue.

Vulnerability class: CSRF (Cross-Site Request Forgery)

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

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (25.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Basercms
Baserproject Basercms — versions < 4.8.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

github.com/baserproject/basercms/security/advisories/GHSA-fw9x-cqjq-7jx5 (Third Party Advisory)
github.com/baserproject/basercms/commit/874c55433fead93e0be9df96fd28740f8047c8b6 (Patch, Third Party Advisory)
basercms.net/security/JVN_99052047 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-43649?: CVE-2023-43649 is a medium-severity vulnerability in Basercms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.7/10. Published 2023-10-30.
How severe is CVE-2023-43649?: Medium severity. CVSS v3 base score is 4.7 out of 10.