How severe is CVE-2023-3973?

CVE-2023-3973 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-3973 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3973?

CVE-2023-3973 affects Diagrams Drawio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-3973?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-3973 published?

CVE-2023-3973 was published on 2023-07-27 and last updated on 2026-06-17.

CVE-2023-3973

CVE-2023-3973 is a medium-severity vulnerability in Diagrams Drawio with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Diagrams Drawio
Published: 2023-07-27
Last modified: 2026-06-17

Description

Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.

Frequently asked questions

What is CVE-2023-3973?: Cross-site Scripting (XSS) - Reflected in GitHub repository jgraph/drawio prior to 21.6.3.
How severe is CVE-2023-3973?: CVE-2023-3973 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-3973 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3973?: CVE-2023-3973 affects Diagrams Drawio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-3973?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3973 published?: CVE-2023-3973 was published on 2023-07-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:diagrams:drawio:*:*:*:*:*:*:*:*

More vulnerabilities in Diagrams Drawio

CVE-2023-3975 — Critical (CVSS 9.8): OS Command Injection in GitHub repository jgraph/drawio prior to 21.5.0.
CVE-2023-3974 — Critical (CVSS 9.8): OS Command Injection in GitHub repository jgraph/drawio prior to 21.4.0.
CVE-2022-1575 — Critical (CVSS 9.6): Arbitrary Code Execution through Sanitizer Bypass in GitHub repository jgraph/drawio prior to 18.0.0. - Arbitrary…
CVE-2022-1727 — High (CVSS 8.8): Improper Input Validation in GitHub repository jgraph/drawio prior to 18.0.6.
CVE-2022-3133 — High (CVSS 7.8): OS Command Injection in GitHub repository jgraph/drawio prior to 20.3.0.
CVE-2023-3398 — High (CVSS 7.5): Denial of Service in GitHub repository jgraph/drawio prior to 18.1.3.

All CVEs affecting Diagrams Drawio →

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