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Advanced Post Manager vulnerabilities
Advanced Post Manager has 1 known vulnerability in this database. The most recent published record is dated 5 Oct 2026.
- Known vulnerabilities
- 1
- Active installs
- 4,000+
- Latest version
- 4.5.6
- Last updated
- 24 Sep 2026
- Most recent
- 5 Oct 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 |
|---|---|---|---|---|
| PHP object injection CVE-2026-97283 | Critical 9.8 | Up to 4.5.5 | Fixed in a later version (latest 4.5.6) | 2 d ago |
Read the published descriptions
- CVE-2026-97283, 5 Oct 2026
- Deserialization of Untrusted Data vulnerability in Liquid Web / StellarWP Advanced Post Manager advanced-post-manager allows Object Injection.This issue affects Advanced Post Manager: from n/a through 4.5.5. CVE record
What to do if you run Advanced Post Manager
If you run Advanced Post Manager, 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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