CVE-2026-6443
Essentialplugin Plugins (Various Versions) - Injected Backdoor
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: total
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: total
- Record last updated
Affected versions
- essentialplugin Accordion and Accordion Slider
1.4.6
- essentialplugin Portfolio and Projects
1.5.6
- essentialplugin Featured Post Creative
1.5.7
- essentialplugin Post grid and filter ultimate
1.7.4
- essentialplugin WP Featured Content and Slider
1.7.6
- essentialplugin Post Ticker Ultimate
1.7.6
- essentialplugin Trending/Popular Post Slider and Widget
1.8.6
- essentialplugin Meta Slider and Carousel with Lightbox
2.0.8
- essentialplugin Album and Image Gallery Plus Lightbox
2.1.8
- essentialplugin Timeline and History slider
2.4.5
- essentialplugin WP Blog and Widgets
2.6.6
- essentialplugin Countdown Timer Ultimate
2.6.9
- essentialplugin Blog Designer – Post and Widget
2.7.7
- essentialplugin Team Slider and Team Grid Showcase plus Team Carousel
2.8.6
- essentialplugin Video gallery and Player
2.8.7
- essentialplugin Popup Maker and Popup Anything – Popup for opt-ins and Lead Generation Conversions
2.9.1
- essentialplugin Testimonial Grid and Testimonial Slider plus Carousel with Rotator Widget
3.5.6
- essentialplugin WP Responsive Recent Post Slider/Carousel
3.7.1
- essentialplugin WP Slick Slider and Image Carousel
3.7.8.1
- essentialplugin WP Logo Showcase Responsive Slider and Carousel
3.8.7
- essentialplugin WP responsive FAQ with category plugin
3.9.5
- essentialplugin WP News and Scrolling Widgets
5.0.6