HomeWordPress vulnerabilitiesSecurity Optimizer
Security Optimizer vulnerabilities
Security Optimizer has 1 known vulnerability in this database. The most recent published record is dated 6 Aug 2026.
- Known vulnerabilities
- 1
- Active installs
- 1m+
- Latest version
- 1.6.8
- Last updated
- 28 Aug 2026
- Most recent
- 6 Aug 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Security weakness CVE-2026-13342 | Medium 5.3 | Not yet published | Check for an update | 6 Aug 2026 |
Read the published descriptions
- CVE-2026-13342, 6 Aug 2026
- The Security Optimizer WordPress plugin from 1.5.8 to 1.6.4 does not correctly validate requests to its optional IP-based login restriction feature, allowing the restriction to be bypassed so that unauthenticated requests from non-allowlisted IP addresses can reach and use the login form, defeating the access control the administrator configured. CVE record
What to do if you run Security Optimizer
If you run Security Optimizer, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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