Essentialplugin Plugins (Various Versions) - Injected Backdoor
| CVE | CVE-2026-6443 |
|---|---|
| CVSS | 9.8 (Critical) |
| Publicly Published | April 9, 2026 |
| Last Updated | April 21, 2026 |
| Researchers |
Cooties
- Project Umbra/Sekuro
Damien |
Description
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
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Vulnerability Details for Portfolio and Projects
| Software Type | Plugin |
|---|---|
| Software Slug | portfolio-and-projects (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.5.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
1-20 of 21 other affected software packages
Search affected software packages
| Software Type | Plugin |
|---|---|
| Software Slug | accordion-and-accordion-slider (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.4.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | album-and-image-gallery-plus-lightbox (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.1.8.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | blog-designer-for-post-and-widget (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.7.7.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | countdown-timer-ultimate (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.6.9.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | featured-post-creative (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.5.7.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
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| Software Type | Plugin |
|---|---|
| Software Slug | meta-slider-and-carousel-with-lightbox (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.0.8.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | popup-anything-on-click (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.9.1.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | post-grid-and-filter-ultimate (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.7.4.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | ticker-ultimate (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.7.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | wp-team-showcase-and-slider (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.8.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | wp-testimonial-with-widget (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.5.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | timeline-and-history-slider (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.4.5.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | wp-trending-post-slider-and-widget (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.8.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | html5-videogallery-plus-player (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.8.7.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | wp-blog-and-widgets (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.6.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | wp-featured-content-and-slider (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 1.7.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | wp-logo-showcase-responsive-slider-slider (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.8.7.1, or a newer patched version |
| Affected Version |
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| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | sp-news-and-widget (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 5.0.6.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | sp-faq (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.9.5.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
| Software Type | Plugin |
|---|---|
| Software Slug | wp-responsive-recent-post-slider (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 3.7.1.1, or a newer patched version |
| Affected Version |
|
| Patched Version |
|
Recent vulnerabilities in Portfolio and Projects
| # | Title | CVE ID | CVSS | Researchers | Date |
|---|---|---|---|---|---|
| 1 | Portfolio and Projects <= 1.5.5 - Authenticated (Contributor+) Information Exposure | CVE-2025-67470 | Nabil Irawan | December 5, 2025 | |
| 2 | Multiple WPOnlineSupport Plugins <= (Various Versions) - Missing Authorization to Notice Dismissal | CVE-2023-40200 | Abdi Pranata | August 16, 2023 | |
| 3 | Portfolio and Projects <= 1.3.7 - Cross-Site Request Forgery via 'wpos_anylc_admin_init_process' | CVE-2023-39995 | Cat | August 11, 2023 |
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