What is CVE-2022-40440?

CVE-2022-40440 is a medium-severity vulnerability in Jgraph Mxgraph, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-12.

How severe is CVE-2022-40440?

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

XSS in Jgraph Mxgraph

CVE-2022-40440

mxGraph v4.2.2 was discovered to contain a cross-site scripting (XSS) vulnerability via the setTooltips() function.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-10-12 · last modified 2026-07-09.

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 (48.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.0% 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

Jgraph Mxgraph — versions 4.2.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/jgraph/mxgraph (Product)
github.com/SxB64/mxgraph-xss-vul/wiki (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-40440?: CVE-2022-40440 is a medium-severity vulnerability in Jgraph Mxgraph, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-10-12.
How severe is CVE-2022-40440?: Medium severity. CVSS v3 base score is 6.1 out of 10.