CVE-2023-3973
Cross-site Scripting (XSS) - Reflected in jgraph/drawio
Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Cross-site Scripting (XSS) - Reflected in jgraph/drawio
Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.
- Record
CVE-2023-3973- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2023-44598
Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.
- Record
EUVD-2023-44598- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jgm3-jg5h-p97h
Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.
Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.
- Record
GHSA-jgm3-jg5h-p97h- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.
- Record
CVE-2023-3973- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Cross-site Scripting (XSS) - Reflected in jgraph/drawio
Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.
- Record
CVE-2023-3973- CVSS 3.0
- 9.6 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-3973 is a critical vulnerability (CVSS 9.6) in Diagrams Drawio, published July 27, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.