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Meta Tag Manager vulnerabilities
Meta Tag Manager has 2 known vulnerabilities in this database. The most recent published record is dated 22 Oct 2025.
- Known vulnerabilities
- 2
- Active installs
- 70,000+
- Latest version
- 3.3
- Last updated
- 24 Sep 2026
- Most recent
- 22 Oct 2025
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-2025-5983 | Medium 6.5 | Before 3.3 | Fixed in 3.3 | 22 Oct 2025 |
| PHP object injection CVE-2024-1770 | High 8.8 | Up to 3.0.2 | Fixed in a later version (latest 3.3) | 28 Mar 2024 |
Read the published descriptions
- CVE-2025-5983, 22 Oct 2025
- The Meta Tag Manager WordPress plugin before 3.3 does not restrict which roles can create http-equiv refresh meta tags. CVE record
- CVE-2024-1770, 28 Mar 2024
- The Meta Tag Manager plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.0.2 via deserialization of untrusted input in the get_post_data function. This makes it possible for authenticated attackers, with contributor access or higher, to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code. CVE record
What to do if you run Meta Tag Manager
If you run Meta Tag 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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