SSL Zen Plugin up to 4.7.39 on WordPress improper authentication

Summaryinfo

A vulnerability was found in SSL Zen Plugin up to 4.7.39. It has been rated as problematic. This impacts an unknown function. This manipulation causes improper authentication. This vulnerability is tracked as CVE-2026-86781. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in SSL Zen Plugin up to 4.7.39 and classified as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality. The summary by CVE is:

The SSL Zen — SSL Certificate Installer & HTTPS Redirects WordPress plugin before 4.7.40 does not perform capability or nonce checks on a certificate-file download routine that runs early in the WordPress admin request lifecycle, allowing any authenticated user, including Subscribers, to download the site's TLS private key, certificates, and diagnostic logs.

It is possible to read the advisory at wpscan.com. This vulnerability is known as CVE-2026-86781 since 09/08/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.7.40 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• SSL Zen Plugin

Version

• 4.7.0
• 4.7.1
• 4.7.2
• 4.7.3
• 4.7.4
• 4.7.5
• 4.7.6
• 4.7.7
• 4.7.8
• 4.7.9
• 4.7.10
• 4.7.11
• 4.7.12
• 4.7.13
• 4.7.14
• 4.7.15
• 4.7.16
• 4.7.17
• 4.7.18
• 4.7.19
• 4.7.20
• 4.7.21
• 4.7.22
• 4.7.23
• 4.7.24
• 4.7.25
• 4.7.26
• 4.7.27
• 4.7.28
• 4.7.29
• 4.7.30
• 4.7.31
• 4.7.32
• 4.7.33
• 4.7.34
• 4.7.35
• 4.7.36
• 4.7.37
• 4.7.38
• 4.7.39

CPE 2.3info

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