CVE-2026-86781

SSL Zen < 4.7.40 - Subscriber+ TLS Private Key Disclosure

MEDIUM
5.3
CVSS Score
Published: September 11, 2026 at 06:00 AM UTC
Updated: September 11, 2026 at 05:50 PM UTC
1 product affected across 1 vendorSSL Zen

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SSL Zen· Sslzenwordpress-plugin
60%
v < 4.7.40
Affected range stops below 4.7.40, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/858977f8-8ea3-4d3d-8967-31567f6786ff/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-287

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