What is CVE-2023-37299?

CVE-2023-37299 is a medium-severity vulnerability in Joplin Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-06-30.

How severe is CVE-2023-37299?

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

XSS in Joplin Project

CVE-2023-37299

Joplin before 2.11.5 allows XSS via an AREA element of an image map.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-06-30 · 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 (46.1th percentile), scored 2026-09-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Joplin Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/laurent22/joplin/releases/tag/v2.11.5 (Release Notes)
github.com/laurent22/joplin/commit/9e90d9016daf79b5414646a93fd369aedb035071 (Patch)
vuln.ryotak.net/advisories/68 (Broken Link)

Frequently asked questions

What is CVE-2023-37299?: CVE-2023-37299 is a medium-severity vulnerability in Joplin Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-06-30.
How severe is CVE-2023-37299?: Medium severity. CVSS v3 base score is 6.1 out of 10.