CVE-2025-5842

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{}

{"analysis": {"en": {"generated_at": "2026-04-22T14:47:51.031861+00:00", "value": {"mitigation_remediation": ["Upgrade the Modern Design Library plugin to the latest version (1.1.5 or newer) that removes the vulnerability.", "Identify and delete any scripts that have been injected via the class parameter in existing content before the upgrade.", "Restrict Contributor\u2011level access to trusted users, or remove the ability to edit the class parameter if the role is not required to modify shortcodes."], "summary": {"action": "Apply Patch", "impact": "Stored Cross-Site Scripting"}, "threat_synthesis": {"affected_systems": "Any WordPress site running the Modern Design Library plugin provided by butterflymedia, at or below version 1.1.4, is affected. The vulnerability applies to all installations where contributors have permission to edit or add shortcodes that include the vulnerable \u2018class\u2019 parameter.", "description_and_impact": "The Modern Design Library plugin for WordPress contains a stored cross\u2011site scripting flaw in the \u2018class\u2019 parameter up through version 1.1.4. Authenticated users with Contributor\u2011level access or higher can inject arbitrary scripts that will run whenever a user opens a page containing the injected content, leading to client\u2011side code execution and potential data theft or session hijacking.", "risk_and_exploitability": "The CVSS score of 6.4 indicates a moderate severity, while the EPSS score of < 1% signals a low probability of exploitation in the wild. The vulnerability is not currently listed in the CISA KEV catalog. Attackers must be authenticated with at least Contributor rights; there are no additional prerequisites beyond the ability to edit or create shortcodes. Successful exploitation results in arbitrary script execution in the browsers of any site visitor who views the affected page, potentially compromising user sessions and data."}}}}, "created": "2026-04-22T15:00:05.607038+00:00", "updated": "2026-04-22T15:00:05.607052+00:00", "vendors": []}