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{"analysis": {"en": {"generated_at": "2026-04-28T17:50:28.193126+00:00", "value": {"mitigation_remediation": ["Upgrade the Livemesh Addons for WPBakery Page Builder plugin to a version newer than 3.9.4 where the XSS issue is patched.", "If an immediate update is not possible, disable or restrict the plugin\u2019s ability to accept unfiltered HTML input, or enforce stricter sanitization on any editor fields.", "Audit existing content created before the patch for malicious script tags and remove or sanitize them to eliminate stored payloads.", "Consider deploying web\u2011application firewall rules that block common XSS payload patterns to provide additional protection."], "summary": {"action": "Update Plugin", "impact": "Stored Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "The plugin Livemesh Addons for WPBakery Page Builder, versions up through 3.9.4, is vulnerable. All users of this plugin on WordPress installations are affected unless upgraded beyond the specified version.", "description_and_impact": "This vulnerability is an improper neutralization of user input that allows an attacker to inject malicious scripts into web pages rendered by the Livemesh Addons for WPBakery Page Builder plugin. The injected scripts run in the context of site visitors, enabling session hijacking, data theft, defacement, or further payload delivery. The impact is limited to the scope of the website but can have broad consequences for all users who view affected pages.", "risk_and_exploitability": "The CVSS score of 5.9 rates this as medium severity, and the EPSS score of less than 1% indicates a low probability of exploitation in the current environment. Although it has not been listed in the CISA KEV catalog, the vulnerability can be abused via the plugin\u2019s content editing interface, where arbitrary HTML can be stored and later served to any site visitor. An attacker who can create or modify content within the plugin can persistently store XSS payloads that activate when other users load the affected pages."}}}}, "created": "2026-01-26T11:53:21.289680+00:00", "updated": "2026-04-28T18:00:14.072228+00:00", "vendors": ["livemesh", "livemesh$PRODUCT$addons_for_wpbakery_page_builder", "wordpress", "wordpress$PRODUCT$wordpress"]}