What is CVE-2023-46503?

CVE-2023-46503 is a medium-severity vulnerability in Pwncyn Yxbookcms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-27.

How severe is CVE-2023-46503?

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

XSS in Pwncyn Yxbookcms

CVE-2023-46503

Cross Site Scripting (XSS) vulnerability in PwnCYN YXBOOKCMS v.1.0.2 allows a remote attacker to execute arbitrary code via the reader management and book input modules.

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: 0.005 (39.0th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% 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

Pwncyn Yxbookcms — versions 1.0.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/PwnCYN/YXBOOKCMS/issues/2 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-46503?: CVE-2023-46503 is a medium-severity vulnerability in Pwncyn Yxbookcms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-10-27.
How severe is CVE-2023-46503?: Medium severity. CVSS v3 base score is 6.1 out of 10.