All plugins by Essentialplugin for WordPress are vulnerable to an injected backdoor in various versions.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Apr 17, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2026-6443

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-6443

  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

  nvd.nist.gov

References

• Reference · anchor.host
• Reference · wordfence.com