What is CVE-2023-47503?

CVE-2023-47503 is a critical-severity vulnerability in Jflyfox Jfinal Cms. CVSS score: 9.8/10. Published 2023-11-28.

How severe is CVE-2023-47503?

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

Vulnerability in Jflyfox Jfinal Cms

CVE-2023-47503

An issue in jflyfox jfinalCMS v.5.1.0 allows a remote attacker to execute arbitrary code via a crafted script to the login.jsp component in the template management module.

Published 2023-11-28 · 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: 0.013 (68.8th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Jflyfox Jfinal Cms — versions 5.1.0

References

github.com/jflyfox/jfinal_cms/issues/58 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2023-47503?: CVE-2023-47503 is a critical-severity vulnerability in Jflyfox Jfinal Cms. CVSS score: 9.8/10. Published 2023-11-28.
How severe is CVE-2023-47503?: Critical severity. CVSS v3 base score is 9.8 out of 10.