How severe is CVE-2023-40350?

CVE-2023-40350 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-40350 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40350?

CVE-2023-40350 affects Jenkins Docker Swarm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40350?

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

When was CVE-2023-40350 published?

CVE-2023-40350 was published on 2023-08-16 and last updated on 2026-06-17.

CVE-2023-40350

CVE-2023-40350 is a medium-severity vulnerability in Jenkins Docker Swarm with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jenkins Docker Swarm
Published: 2023-08-16
Last modified: 2026-06-17

Description

Jenkins Docker Swarm Plugin 1.11 and earlier does not escape values returned from Docker before inserting them into the Docker Swarm Dashboard view, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control responses from Docker.

Frequently asked questions

What is CVE-2023-40350?: Jenkins Docker Swarm Plugin 1.11 and earlier does not escape values returned from Docker before inserting them into the Docker Swarm Dashboard view, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control responses from Docker.
How severe is CVE-2023-40350?: CVE-2023-40350 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-40350 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40350?: CVE-2023-40350 affects Jenkins Docker Swarm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40350?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40350 published?: CVE-2023-40350 was published on 2023-08-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:docker_swarm:*:*:*:*:*:jenkins:*:*

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