What is CVE-2022-3127?

CVE-2022-3127 is a medium-severity vulnerability in Diagrams Drawio, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-09-05.

How severe is CVE-2022-3127?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2022-3127 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Diagrams Drawio

CVE-2022-3127

Cross-site Scripting (XSS) - Stored in GitHub repository jgraph/drawio prior to 20.2.8.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-09-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.5th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.5% 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

Diagrams Drawio
Jgraph Jgraph/drawio — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

github.com/jgraph/drawio/commit/59887e45b36f06c8dd4919a32bacd994d9f084da (Patch, Third Party Advisory)
huntr.dev/bounties/6cea89d1-39dc-4023-82fa-821f566b841a (Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3127?: CVE-2022-3127 is a medium-severity vulnerability in Diagrams Drawio, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-09-05.
How severe is CVE-2022-3127?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2022-3127 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.