CVE-2026-6443

{"id": "CVE-2026-6443", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6443", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-17T18:49:32.019393Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@wordfence.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@wordfence.com", "affectedData": [{"vendor": "essentialplugin", "product": "Accordion and Accordion Slider", "versions": [{"status": "affected", "version": "1.4.6"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Portfolio and Projects", "versions": [{"status": "affected", "version": "1.5.6"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Featured Post Creative", "versions": [{"status": "affected", "version": "1.5.7"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Post grid and filter ultimate", "versions": [{"status": "affected", "version": "1.7.4"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "WP Featured Content and Slider", "versions": [{"status": "affected", "version": "1.7.6"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Post Ticker Ultimate", "versions": [{"status": "affected", "version": "1.7.6"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Trending/Popular Post Slider and Widget", "versions": [{"status": "affected", "version": "1.8.6"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Meta Slider and Carousel with Lightbox", "versions": [{"status": "affected", "version": "2.0.8"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Album and Image Gallery Plus Lightbox", "versions": [{"status": "affected", "version": "2.1.8"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Timeline and History slider", "versions": [{"status": "affected", "version": "2.4.5"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "WP Blog and Widgets", "versions": [{"status": "affected", "version": "2.6.6"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Countdown Timer Ultimate", "versions": [{"status": "affected", "version": "2.6.9"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Blog Designer \u2013 Post and Widget", "versions": [{"status": "affected", "version": "2.7.7"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Team Slider and Team Grid Showcase plus Team Carousel", "versions": [{"status": "affected", "version": "2.8.6"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Video gallery and Player", "versions": [{"status": "affected", "version": "2.8.7"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Popup Maker and Popup Anything \u2013 Popup for opt-ins and Lead Generation Conversions", "versions": [{"status": "affected", "version": "2.9.1"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "Testimonial Grid and Testimonial Slider plus Carousel with Rotator Widget", "versions": [{"status": "affected", "version": "3.5.6"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "WP Responsive Recent Post Slider/Carousel", "versions": [{"status": "affected", "version": "3.7.1"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "WP Slick Slider and Image Carousel", "versions": [{"status": "affected", "version": "3.7.8.1"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "WP Logo Showcase Responsive Slider and Carousel", "versions": [{"status": "affected", "version": "3.8.7"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "WP responsive FAQ with category plugin", "versions": [{"status": "affected", "version": "3.9.5"}], "defaultStatus": "unaffected"}, {"vendor": "essentialplugin", "product": "WP News and Scrolling Widgets", "versions": [{"status": "affected", "version": "5.0.6"}], "defaultStatus": "unaffected"}]}], "published": "2026-04-17T07:16:03.160", "references": [{"url": "https://anchor.host/someone-bought-30-wordpress-plugins-and-planted-a-backdoor-in-all-of-them/", "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2597724a-9a39-4e46-b153-f42366f833ba?source=cve", "source": "security@wordfence.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-506"}]}], "descriptions": [{"lang": "en", "value": "All plugins by Essentialplugin for WordPress are vulnerable to an injected backdoor in various versions. This is due to the plugin being sold to a malicious threat actor that embedded a backdoor in all of the plugin's they acquired. This makes it possible for the threat actor to maintain a persistent backdoor and inject spam into the affected sites."}], "lastModified": "2026-06-17T11:00:49.877", "sourceIdentifier": "security@wordfence.com"}