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1 vulnerability found for Blog Designer – Post and Widget 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
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"defaultStatus": "unaffected",
"product": "Post grid and filter ultimate",
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"defaultStatus": "unaffected",
"product": "Post Ticker Ultimate",
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"defaultStatus": "unaffected",
"product": "Trending/Popular Post Slider and Widget",
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"status": "affected",
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{
"defaultStatus": "unaffected",
"product": "WP Blog and Widgets",
"vendor": "essentialplugin",
"versions": [
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"status": "affected",
"version": "2.6.6"
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{
"defaultStatus": "unaffected",
"product": "Countdown Timer Ultimate",
"vendor": "essentialplugin",
"versions": [
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"status": "affected",
"version": "2.6.9"
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"defaultStatus": "unaffected",
"product": "Blog Designer \u2013 Post and Widget",
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"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"
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]
},
{
"defaultStatus": "unaffected",
"product": "WP Responsive Recent Post Slider/Carousel",
"vendor": "essentialplugin",
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"status": "affected",
"version": "3.7.1"
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"product": "WP Slick Slider and Image Carousel",
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