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{"analysis": {"en": {"generated_at": "2026-04-22T20:54:50.701016+00:00", "value": {"mitigation_remediation": ["Update Weekly Planner to the latest version that removes the XSS flaw", "If an update is unavailable, disable the plugin or restrict unfiltered_html to prevent script execution", "Ensure that the site\u2019s multisite network and permission settings remain minimal for non\u2011administrator users"], "summary": {"action": "Patch", "impact": "Stored Cross\u2011Site Scripting via admin settings"}, "threat_synthesis": {"affected_systems": "All WordPress installations using Weekly Planner version 1.0 or earlier, especially multisite deployments with unfiltered_html disabled. The vulnerability applies to the Michael J. Reid Weekly Planner plugin and must be addressed on any affected site.", "description_and_impact": "The Weekly Planner plugin for WordPress suffers a stored cross\u2011site scripting vulnerability due to insufficient input sanitization and output escaping in admin settings. Attackers with administrator privileges can inject arbitrary JavaScript that will run whenever a user opens an injected page, potentially enabling session hijacking, defacement, or other client\u2011side attacks.", "risk_and_exploitability": "The CVSS score of 4.4 indicates a moderate severity, and an EPSS of less than 1% suggests a very low but non\u2011zero probability of exploitation. The plugin is not listed in CISA KEV. Exploitation requires administrator rights on a multisite configuration, making it a targeted attack vector rather than a widespread threat."}}}}, "created": "2025-12-05T20:56:26.645796+00:00", "updated": "2026-04-22T21:00:06.367081+00:00", "vendors": ["wordpress", "wordpress$PRODUCT$wordpress"]}