What is CVE-2022-3148?

CVE-2022-3148 is a medium-severity vulnerability in Diagrams Drawio, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-09-08.

How severe is CVE-2022-3148?

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

Is CVE-2022-3148 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-2022-3148

Cross-site Scripting (XSS) - Generic in GitHub repository jgraph/drawio prior to 20.3.0.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-09-08 · 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 (49.6th percentile), scored 2026-09-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% 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: +0.001

Affected products

Diagrams Drawio
Jgraph Jgraph/drawio — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

huntr.dev/bounties/1f730015-b4d0-4f84-8cac-9cf1e57a091a (Exploit, Third Party Advisory)
github.com/jgraph/drawio/commit/b5dfeb238369d664fb06a95e2179236b0e75f366 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3148?: CVE-2022-3148 is a medium-severity vulnerability in Diagrams Drawio, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-09-08.
How severe is CVE-2022-3148?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-3148 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.