SSL Zen < 4.7.40 - Subscriber+ TLS Private Key Disclosure
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | SSL Zen — SSL Certificate Installer & HTTPS Redirects | before 4.7.40 | 4.7.40 | Patch available | CNA |
- SSL Zen — SSL Certificate Installer & HTTPS Redirects VendorUnknown Affected before 4.7.40 Fixed in 4.7.40 Patch available CNA
Remediation
- Fix · CNA SSL Zen — SSL Certificate Installer & HTTPS Redirects (Unknown) Fixed in 4.7.40
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86781
- 2026-10-03 Alias added: GHSA-jmvf-92jg-53j3
References
Sources
- CVE-2026-86781 · CVE Program
- CVE-2026-86781 · NVD
- FIRST EPSS
- GHSA-jmvf-92jg-53j3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences