CVE-2026-53441NVD

Vulnerability Summary

Jenkins 2.483 through 2.567 (both inclusive), LTS 2.492.1 through 2.555.2 (both inclusive) does not escape the user-provided description of a generic offline cause that could be set through the `POST config.xml` API, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.

Severity Level

MEDIUM(5.4)

Published Date

Jun 10, 2026

Last Modified

Jul 6, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.26%Probability

Root Weakness (CWE)

CWE-79: Cross-site Scripting (XSS) ↗

The software does not neutralize user-controllable input before it is placed in output that is used as a web page.

CVSS v3.1 Base Metrics — Score 5.4 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeChanged

ConfidentialityLow

IntegrityLow

AvailabilityNone

Affected & Patched Versions

Affected Versions

Jenkins Jenkins >= 2.483 and < 2.568
Jenkins Jenkins >= 2.492.1 and < 2.555.3

Patched Versions

Jenkins Jenkins 2.568
Jenkins Jenkins 2.555.3

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