What is CVE-2023-4564?

CVE-2023-4564 is a medium-severity vulnerability in Capensis Canopsis, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2023-10-03.

How severe is CVE-2023-4564?

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

XSS in Capensis Canopsis

CVE-2023-4564

This vulnerability could allow an attacker to store a malicious JavaScript payload in the broadcast message parameter within the admin panel.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-10-03 · 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: 0.005 (39.1th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.1% 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: 0.005 · change: +0.001

Affected products

Capensis Canopsis — versions 23.04, 23.04-alpha3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2023-4564?: CVE-2023-4564 is a medium-severity vulnerability in Capensis Canopsis, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2023-10-03.
How severe is CVE-2023-4564?: Medium severity. CVSS v3 base score is 4.7 out of 10.