How severe is CVE-2022-34787?

CVE-2022-34787 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-2022-34787 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34787?

CVE-2022-34787 affects Jenkins Project Inheritance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34787?

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

When was CVE-2022-34787 published?

CVE-2022-34787 was published on 2022-06-30 and last updated on 2026-06-17.

CVE-2022-34787

CVE-2022-34787 is a medium-severity vulnerability in Jenkins Project Inheritance 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)
CVSS v2: 3.5
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jenkins Project Inheritance
Published: 2022-06-30
Last modified: 2026-06-17

Description

Jenkins Project Inheritance Plugin 21.04.03 and earlier does not escape the reason a build is blocked in tooltips, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers able to control the reason a queue item is blocked.

Frequently asked questions

What is CVE-2022-34787?: Jenkins Project Inheritance Plugin 21.04.03 and earlier does not escape the reason a build is blocked in tooltips, resulting in a cross-site scripting (XSS) vulnerability exploitable by attackers able to control the reason a queue item is blocked.
How severe is CVE-2022-34787?: CVE-2022-34787 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-2022-34787 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34787?: CVE-2022-34787 affects Jenkins Project Inheritance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34787?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-34787 published?: CVE-2022-34787 was published on 2022-06-30 and last updated on 2026-06-17.

References

https://www.jenkins.io/security/advisory/2022-06-30/#SECURITY-1919

Affected products (1)

cpe:2.3:a:jenkins:project_inheritance:*:*:*:*:*:jenkins:*:*

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