How severe is CVE-2022-43409?

CVE-2022-43409 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-2022-43409 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43409?

CVE-2022-43409 affects Jenkins Pipeline. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-43409?

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

When was CVE-2022-43409 published?

CVE-2022-43409 was published on 2022-10-19 and last updated on 2026-06-17.

CVE-2022-43409

CVE-2022-43409 is a medium-severity vulnerability in Jenkins Pipeline 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% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jenkins Pipeline
Published: 2022-10-19
Last modified: 2026-06-17

Description

Jenkins Pipeline: Supporting APIs Plugin 838.va_3a_087b_4055b and earlier does not sanitize or properly encode URLs of hyperlinks sending POST requests in build logs, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to create Pipelines.

Frequently asked questions

What is CVE-2022-43409?: Jenkins Pipeline: Supporting APIs Plugin 838.va_3a_087b_4055b and earlier does not sanitize or properly encode URLs of hyperlinks sending POST requests in build logs, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to create Pipelines.
How severe is CVE-2022-43409?: CVE-2022-43409 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-2022-43409 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43409?: CVE-2022-43409 affects Jenkins Pipeline. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-43409?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-43409 published?: CVE-2022-43409 was published on 2022-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:pipeline\:_supporting_apis:*:*:*:*:*:jenkins:*:*

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