{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6443","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","state":"PUBLISHED","assignerShortName":"Wordfence","dateReserved":"2026-04-16T18:22:16.366Z","datePublished":"2026-04-17T06:44:49.128Z","dateUpdated":"2026-04-21T19:53:07.705Z"},"containers":{"cna":{"providerMetadata":{"orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","shortName":"Wordfence","dateUpdated":"2026-04-21T19:53:07.705Z"},"affected":[{"vendor":"essentialplugin","product":"Accordion and Accordion Slider","versions":[{"version":"1.4.6","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Portfolio and Projects","versions":[{"version":"1.5.6","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Featured Post Creative","versions":[{"version":"1.5.7","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Post grid and filter ultimate","versions":[{"version":"1.7.4","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"WP Featured Content and Slider","versions":[{"version":"1.7.6","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Post Ticker Ultimate","versions":[{"version":"1.7.6","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Trending/Popular Post Slider and Widget","versions":[{"version":"1.8.6","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Meta Slider and Carousel with Lightbox","versions":[{"version":"2.0.8","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Album and Image Gallery Plus Lightbox","versions":[{"version":"2.1.8","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Timeline and History slider","versions":[{"version":"2.4.5","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"WP Blog and Widgets","versions":[{"version":"2.6.6","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Countdown Timer Ultimate","versions":[{"version":"2.6.9","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Blog Designer – Post and Widget","versions":[{"version":"2.7.7","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Team Slider and Team Grid Showcase plus Team Carousel","versions":[{"version":"2.8.6","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Video gallery and Player","versions":[{"version":"2.8.7","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Popup Maker and Popup Anything – Popup for opt-ins and Lead Generation Conversions","versions":[{"version":"2.9.1","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"Testimonial Grid and Testimonial Slider plus Carousel with Rotator Widget","versions":[{"version":"3.5.6","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"WP Responsive Recent Post Slider/Carousel","versions":[{"version":"3.7.1","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"WP Slick Slider and Image Carousel","versions":[{"version":"3.7.8.1","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"WP Logo Showcase Responsive Slider and Carousel","versions":[{"version":"3.8.7","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"WP responsive FAQ with category plugin","versions":[{"version":"3.9.5","status":"affected"}],"defaultStatus":"unaffected"},{"vendor":"essentialplugin","product":"WP News and Scrolling Widgets","versions":[{"version":"5.0.6","status":"affected"}],"defaultStatus":"unaffected"}],"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."}],"title":"Essentialplugin Plugins (Various Versions) - Injected Backdoor","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/2597724a-9a39-4e46-b153-f42366f833ba?source=cve"},{"url":"https://anchor.host/someone-bought-30-wordpress-plugins-and-planted-a-backdoor-in-all-of-them/"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-506 Embedded Malicious Code","cweId":"CWE-506","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"credits":[{"lang":"en","type":"finder","value":"Eu Joe Chegne"},{"lang":"en","type":"finder","value":"Damien"}],"timeline":[{"time":"2026-04-16T18:38:10.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-04-09T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-17T18:49:32.019393Z","id":"CVE-2026-6443","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-17T18:49:42.999Z"}}]}}