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GHSA-C8JG-HC58-JRX2
Vulnerability from github – Published: 2026-04-17 09:31 – Updated: 2026-04-17 09:31
VLAI?
Details
The Accordion and Accordion Slider plugin for WordPress is vulnerable to an injected backdoor in version 1.4.6. 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.
Severity ?
9.8 (Critical)
{
"affected": [],
"aliases": [
"CVE-2026-6443"
],
"database_specific": {
"cwe_ids": [
"CWE-506"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-17T07:16:03Z",
"severity": "CRITICAL"
},
"details": "The Accordion and Accordion Slider plugin for WordPress is vulnerable to an injected backdoor in version 1.4.6. 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.",
"id": "GHSA-c8jg-hc58-jrx2",
"modified": "2026-04-17T09:31:18Z",
"published": "2026-04-17T09:31:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6443"
},
{
"type": "WEB",
"url": "https://anchor.host/someone-bought-30-wordpress-plugins-and-planted-a-backdoor-in-all-of-them"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2597724a-9a39-4e46-b153-f42366f833ba?source=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2026-6443 (GCVE-0-2026-6443)
Vulnerability from cvelistv5 – Published: 2026-04-17 06:44 – Updated: 2026-04-21 19:53
VLAI?
EPSS
Title
Essentialplugin Plugins (Various Versions) - Injected Backdoor
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.
Severity ?
9.8 (Critical)
CWE
- CWE-506 - Embedded Malicious Code
Assigner
References
Impacted products
Credits
Eu Joe Chegne
Damien
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"id": "CVE-2026-6443",
"options": [
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"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-17T18:49:32.019393Z",
"version": "2.0.3"
},
"type": "ssvc"
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}
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"cna": {
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"product": "Accordion and Accordion Slider",
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"versions": [
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"version": "1.4.6"
}
]
},
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"product": "Portfolio and Projects",
"vendor": "essentialplugin",
"versions": [
{
"status": "affected",
"version": "1.5.6"
}
]
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"defaultStatus": "unaffected",
"product": "Featured Post Creative",
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"version": "1.5.7"
}
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"status": "affected",
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}
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"vendor": "essentialplugin",
"versions": [
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"status": "affected",
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}
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}
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"status": "affected",
"version": "2.6.6"
}
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},
{
"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": [
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"status": "affected",
"version": "2.7.7"
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},
{
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"product": "Team Slider and Team Grid Showcase plus Team Carousel",
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"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"
}
]
},
{
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"product": "WP Logo Showcase Responsive Slider and Carousel",
"vendor": "essentialplugin",
"versions": [
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"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": [
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"status": "affected",
"version": "5.0.6"
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}
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"datePublished": "2026-04-17T06:44:49.128Z",
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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