What is CVE-2023-40813?

CVE-2023-40813 is a medium-severity vulnerability in Opencrx, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-11-18.

How severe is CVE-2023-40813?

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

XSS in Opencrx

CVE-2023-40813

OpenCRX version 5.2.0 is vulnerable to HTML injection via Activity Saved Search Creation.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-11-18 · 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 (37.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.7% 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

Opencrx — versions 5.2.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.esecforte.com/cve-2023-40813-html-injection-saved-search/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40813?: CVE-2023-40813 is a medium-severity vulnerability in Opencrx, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-11-18.
How severe is CVE-2023-40813?: Medium severity. CVSS v3 base score is 6.1 out of 10.