What is CVE-2023-43899?

CVE-2023-43899 is a critical-severity vulnerability in Hansuncms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-10-09.

How severe is CVE-2023-43899?

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

SQL Injection in Hansuncms Project

CVE-2023-43899

hansun CMS v1.0 was discovered to contain a SQL injection vulnerability via the component /ajax/ajax_login.ashx.

Vulnerability class: SQL Injection

Published 2023-10-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.0th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Hansuncms Project — versions 1.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/len0m0/hansuncmssqli/blob/main/README.md (Broken Link)
gist.github.com/len0m0/9cb2e87cb517db297be1b2f110248295 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-43899?: CVE-2023-43899 is a critical-severity vulnerability in Hansuncms Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-10-09.
How severe is CVE-2023-43899?: Critical severity. CVSS v3 base score is 9.8 out of 10.