← CVE Intelligence

CVE-2026-6443

Essentialplugin Plugins (Various Versions) - Injected Backdoor PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
essentialplugin / Accordion and Accordion Slideraffected 1.4.6
essentialplugin / Portfolio and Projectsaffected 1.5.6
essentialplugin / Featured Post Creativeaffected 1.5.7
essentialplugin / Post grid and filter ultimateaffected 1.7.4
essentialplugin / WP Featured Content and Slideraffected 1.7.6
essentialplugin / Post Ticker Ultimateaffected 1.7.6
essentialplugin / Trending/Popular Post Slider and Widgetaffected 1.8.6
essentialplugin / Meta Slider and Carousel with Lightboxaffected 2.0.8
essentialplugin / Album and Image Gallery Plus Lightboxaffected 2.1.8
essentialplugin / Timeline and History slideraffected 2.4.5
essentialplugin / WP Blog and Widgetsaffected 2.6.6
essentialplugin / Countdown Timer Ultimateaffected 2.6.9
essentialplugin / Blog Designer – Post and Widgetaffected 2.7.7
essentialplugin / Team Slider and Team Grid Showcase plus Team Carouselaffected 2.8.6
essentialplugin / Video gallery and Playeraffected 2.8.7
essentialplugin / Popup Maker and Popup Anything – Popup for opt-ins and Lead Generation Conversionsaffected 2.9.1
essentialplugin / Testimonial Grid and Testimonial Slider plus Carousel with Rotator Widgetaffected 3.5.6
essentialplugin / WP Responsive Recent Post Slider/Carouselaffected 3.7.1
essentialplugin / WP Slick Slider and Image Carouselaffected 3.7.8.1
essentialplugin / WP Logo Showcase Responsive Slider and Carouselaffected 3.8.7
essentialplugin / WP responsive FAQ with category pluginaffected 3.9.5
essentialplugin / WP News and Scrolling Widgetsaffected 5.0.6

CWE

CWE-506

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.