What is CVE-2023-40617?

CVE-2023-40617 is a medium-severity vulnerability in Openknowledgemaps Head Start, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-09-13.

How severe is CVE-2023-40617?

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

XSS in Openknowledgemaps Head Start

CVE-2023-40617

A reflected cross-site scripting (XSS) vulnerability in OpenKnowledgeMaps Head Start 7 allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into the 'file' parameter in 'displayPDF.php'.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-09-13 · 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: 0.006 (45.1th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.1% 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: 0.006 · change: +0.001

Affected products

Openknowledgemaps Head Start — versions 7

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-40617 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-40617?: CVE-2023-40617 is a medium-severity vulnerability in Openknowledgemaps Head Start, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-09-13.
How severe is CVE-2023-40617?: Medium severity. CVSS v3 base score is 6.1 out of 10.