SSL Zen — SSL Certificate Installer & HTTPS Redirects vulnerabilities
Plugin slug ssl-zen · 8 known vulnerabilities · latest disclosed 2026-09-24 · WordPress.org page
1 vulnerability has no fixed version yet. If you use this plugin, consider disabling or replacing it until a fix is released.
0 of 8 rated high or critical (CVSS 7 or more).
Known vulnerabilities in SSL Zen — SSL Certificate Installer & HTTPS Redirects
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.9 | <= 4.7.42 | 4.7.43 | CVE-2026-17602 | 2026-09-24 | Advisory |
| Medium 6.1 | <= 4.7.42 | 4.7.43 | CVE-2026-17577 | 2026-09-24 | Advisory |
| Medium 6.1 | <= 4.7.42 | 4.7.43 | CVE-2026-15463 | 2026-09-18 | Advisory |
| Medium 4.3 | < 4.7.40 | 4.7.40 | CVE-2026-86781 | 2026-09-11 | Advisory |
| Medium 6.1 | <= 4.7.43 | No fix yet | CVE-2026-28569 | 2026-08-17 | Advisory |
| Medium 5.3 | <= 4.5.0 | 4.6.0 | CVE-2024-1076 | 2024-04-17 | Advisory |
| Medium 6.1 | <= 4.5.2 | 4.5.3 | CVE-2023-33999 | 2023-07-18 | Advisory |
| Medium 6.3 | <= 4.0.4 | 4.0.5 | CVE-2022-4974 | 2022-03-04 | Advisory |
Check if a site is affected
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Questions
Is the SSL Zen — SSL Certificate Installer & HTTPS Redirects plugin safe to use?
1 known issue(s) have no fix yet, so check the table above before using it.
How do I check which version of SSL Zen — SSL Certificate Installer & HTTPS Redirects my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.