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1 vulnerability found for Featured Post Creative by essentialplugin
CVE-2026-6443 (GCVE-0-2026-6443)
Vulnerability from cvelistv5
Published
2026-04-17 06:44
Modified
2026-04-21 19:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-506 - Embedded Malicious Code
Summary
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.
References
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-6443",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-17T18:49:32.019393Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-04-17T18:49:42.999Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Accordion and Accordion Slider",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "1.4.6"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Portfolio and Projects",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "1.5.6"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Featured Post Creative",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "1.5.7"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Post grid and filter ultimate",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "1.7.4"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Featured Content and Slider",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "1.7.6"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Post Ticker Ultimate",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "1.7.6"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Trending/Popular Post Slider and Widget",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "1.8.6"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Meta Slider and Carousel with Lightbox",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.0.8"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Album and Image Gallery Plus Lightbox",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.1.8"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Timeline and History slider",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.4.5"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Blog and Widgets",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.6.6"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Countdown Timer Ultimate",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.6.9"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Blog Designer \u2013 Post and Widget",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.7.7"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Team Slider and Team Grid Showcase plus Team Carousel",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.8.6"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Video gallery and Player",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.8.7"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Popup Maker and Popup Anything \u2013 Popup for opt-ins and Lead Generation Conversions",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "2.9.1"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Testimonial Grid and Testimonial Slider plus Carousel with Rotator Widget",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "3.5.6"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Responsive Recent Post Slider/Carousel",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "3.7.1"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Slick Slider and Image Carousel",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "3.7.8.1"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP Logo Showcase Responsive Slider and Carousel",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "3.8.7"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP responsive FAQ with category plugin",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "3.9.5"
}
]
},
{
"defaultStatus": "unaffected",
"product": "WP News and Scrolling Widgets",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "5.0.6"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Eu Joe Chegne"
},
{
"lang": "en",
"type": "finder",
"value": "Damien"
}
],
"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\u0027s they acquired. This makes it possible for the threat actor to maintain a persistent backdoor and inject spam into the affected sites."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-506",
"description": "CWE-506 Embedded Malicious Code",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-21T19:53:07.705Z",
"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"shortName": "Wordfence"
},
"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/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-04-16T18:38:10.000Z",
"value": "Vendor Notified"
},
{
"lang": "en",
"time": "2026-04-09T00:00:00.000Z",
"value": "Disclosed"
}
],
"title": "Essentialplugin Plugins (Various Versions) - Injected Backdoor"
}
},
"cveMetadata": {
"assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
"assignerShortName": "Wordfence",
"cveId": "CVE-2026-6443",
"datePublished": "2026-04-17T06:44:49.128Z",
"dateReserved": "2026-04-16T18:22:16.366Z",
"dateUpdated": "2026-04-21T19:53:07.705Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}