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Ultimate Dashboard EUVDEUVD-2026-60914

| CVE-2026-66621 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-08-18 Patchstack GHSA-w2v7-qrj2-xj4h
7.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
7.1 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
vuln.today AI
6.1 MEDIUM

Network-accessible unauthenticated XSS with mandatory victim page visit (UI:R) and browser scope change (S:C); no direct availability impact from XSS alone, so A:N overrides the supplied A:L.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Aug 18, 2026 - 15:18 vuln.today
CVE Published
Aug 18, 2026 - 13:59 cve.org
HIGH 7.1

DescriptionCVE.org

Unauthenticated Cross Site Scripting (XSS) in Ultimate Dashboard <= 3.11.2 versions.

AnalysisAI

Unauthenticated cross-site scripting in Ultimate Dashboard WordPress plugin versions 3.11.2 and earlier allows network-accessible, privilege-free attackers to inject arbitrary JavaScript that executes in the browser context of any authenticated user who visits the affected page. The CVSS scope change (S:C) confirms the payload breaks out of the plugin's context and operates under the WordPress origin, enabling session hijacking, credential harvesting, or forced privileged actions against administrators. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation The target WordPress site must have the Ultimate Dashboard plugin installed and active at version 3.11.2 or earlier. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 7.1 score reflects a meaningful but bounded risk: low attack complexity and no authentication required (PR:N) lower the bar significantly, while mandatory user interaction (UI:R) prevents fully automated, zero-click exploitation. … 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 Update Ultimate Dashboard to the first version above 3.11.2 - consult the WordPress plugin repository or the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/ultimate-dashboard/vulnerability/wordpress-ultimate-dashboard-plugin-3-11-2-cross-site-scripting-xss-vulnerability for the exact patched release, as a specific fixed version number was not confirmed in the available intelligence data. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, audit all WordPress installations for Ultimate Dashboard plugin versions through 3.11.2 and immediately disable the plugin on affected systems if feasible. …

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EUVD-2026-60914 vulnerability details – vuln.today

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