How severe is CVE-2011-4344?

CVE-2011-4344 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2011-4344 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4344?

CVE-2011-4344 primarily affects Jenkins. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4344?

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

When was CVE-2011-4344 published?

CVE-2011-4344 was published on 2011-12-01 and last updated on 2026-06-16.

CVE-2011-4344

CVE-2011-4344 is a low-severity vulnerability in Jenkins with a CVSS 2.0 base score of 2.6. 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: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jenkins
Published: 2011-12-01
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Jenkins Core in Jenkins before 1.438, and 1.409 LTS before 1.409.3 LTS, when a stand-alone container is used, allows remote attackers to inject arbitrary web script or HTML via vectors related to error messages.

Frequently asked questions

What is CVE-2011-4344?: Cross-site scripting (XSS) vulnerability in Jenkins Core in Jenkins before 1.438, and 1.409 LTS before 1.409.3 LTS, when a stand-alone container is used, allows remote attackers to inject arbitrary web script or HTML via vectors related to error messages.
How severe is CVE-2011-4344?: CVE-2011-4344 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2011-4344 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4344?: CVE-2011-4344 primarily affects Jenkins. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4344?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4344 published?: CVE-2011-4344 was published on 2011-12-01 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:jenkins:jenkins:1.409.1:*:*:*:lts:*:*:*
cpe:2.3:a:jenkins:jenkins:1.409.2:*:*:*:lts:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*

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