What is CVE-2023-46505?

CVE-2023-46505 is a medium-severity vulnerability in Pwncyn Fancms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-27.

How severe is CVE-2023-46505?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Pwncyn Fancms

CVE-2023-46505

Cross Site Scripting vulnerability in FanCMS v.1.0.0 allows an attacker to execute arbitrary code via the content1 parameter in the demo.php file.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-10-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (30.7th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Pwncyn Fancms — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/PwnCYN/FanCMS/issues/1 (Exploit, Issue Tracking)

Frequently asked questions

What is CVE-2023-46505?: CVE-2023-46505 is a medium-severity vulnerability in Pwncyn Fancms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-27.
How severe is CVE-2023-46505?: Medium severity. CVSS v3 base score is 6.1 out of 10.