EUVD-2026-66750
GHSA-9xcw-6vw9-p38w
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
PR:L applied because the affected components reside in the CMS content interface, most likely requiring at minimum contributor-level authentication to inject a persistent payload.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
3DescriptionCVE.org
Cross Site Scripting vulnerability in Cockpit CMS v.2.13.5 and before allows a remote attacker to execute arbitrary code via the item.php, field-select.js and tags.js components.
AnalysisAI
Cross-site scripting across three components of Cockpit CMS (item.php, field-select.js, and tags.js) enables remote attackers to inject and execute malicious JavaScript within authenticated users' browser sessions in versions 2.13.5 and prior. The CVSS Scope:Changed metric signals that impact extends beyond the vulnerable component - successful exploitation against an authenticated administrator can result in session hijacking, credential theft, or persistent content manipulation within the CMS. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a victim with an active authenticated CMS session to load or interact with attacker-influenced content rendered by item.php, field-select.js, or tags.js - confirmed as mandatory by UI:R in the CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD-assigned CVSS 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) rates this Medium severity. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary fix is to upgrade Cockpit CMS to a version released after 2.13.5; however, no specific patched release version has been independently confirmed from available data - the exact fix version should be verified against the official Cockpit CMS GitHub repository or changelog before assuming a safe target version. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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