HomeWordPress vulnerabilitiesMeta Box
Meta Box vulnerabilities
Meta Box has 8 known vulnerabilities in this database. The most recent published record is dated 2 Aug 2026.
- Known vulnerabilities
- 8
- Active installs
- 500,000+
- Latest version
- 5.15.1
- Last updated
- 17 Sep 2026
- Most recent
- 2 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 |
|---|---|---|---|---|
| Broken access control CVE-2026-15248 | Medium 5.5 | Before 5.13.1 | Fixed in 5.13.1 | 2 Aug 2026 |
| Arbitrary file deletion CVE-2026-39468 | Medium 6.8 | Not yet published | Check for an update | 15 Jun 2026 |
| Remote code execution CVE-2025-14675 | High 7.2 | Up to 5.11.1 | Fixed in a later version (latest 5.15.1) | 7 Mar 2026 |
| Broken access control CVE-2024-43235 | High 7.1 | Up to 5.9.10 | Fixed in a later version (latest 5.15.1) | 1 Nov 2024 |
| Security weakness CVE-2024-1204 | Medium 4.3 | Before 5.9.4 | Fixed in 5.9.4 | 15 Apr 2024 |
| Cross-site scripting (XSS) CVE-2023-6526 | Medium 6.4 | Up to 5.9.2 | Fixed in a later version (latest 5.15.1) | 5 Feb 2024 |
| Security weakness CVE-2019-14794 | High 7.5 | Before 4.16.2 | Fixed in 4.16.2 | 9 Aug 2019 |
| Broken access control CVE-2019-14793 | Medium 6.5 | Before 4.16.3 | Fixed in 4.16.3 | 9 Aug 2019 |
Read the published descriptions
- CVE-2026-15248, 2 Aug 2026
- The Meta Box WordPress plugin before 5.13.1 does not verify that a user is authorized to delete the supplied attachment before deleting it, allowing users with a low-privilege role such as Contributor to permanently delete arbitrary media attachments belonging to other users. CVE record
- CVE-2026-39468, 15 Jun 2026
- Contributor Arbitrary File Deletion in Meta Box - WordPress Custom Fields Framework <= 5.11.1 versions. CVE record
- CVE-2025-14675, 7 Mar 2026
- The Meta Box plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the 'ajax_delete_file' function in all versions up to, and including, 5.11.1. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). CVE record
- CVE-2024-43235, 1 Nov 2024
- Missing Authorization vulnerability in MetaBox.Io Meta Box - WordPress Custom Fields Framework allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Meta Box - WordPress Custom Fields Framework: from n/a through 5.9.10. CVE record
- CVE-2024-1204, 15 Apr 2024
- The Meta Box WordPress plugin before 5.9.4 does not prevent users with at least the contributor role from access arbitrary custom fields assigned to other user's posts. CVE record
- CVE-2023-6526, 5 Feb 2024
- The Meta Box - WordPress Custom Fields Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom post meta values displayed through the plugin's shortcode in all versions up to, and including, 5.9.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. CVE record
- CVE-2019-14794, 9 Aug 2019
- The Meta Box plugin before 4.16.2 for WordPress mishandles the uploading of files to custom folders. CVE record
- CVE-2019-14793, 9 Aug 2019
- The Meta Box plugin before 4.16.3 for WordPress allows file deletion via ajax, with the wp-admin/admin-ajax.php?action=rwmb_delete_file attachment_id parameter. CVE record
What to do if you run Meta Box
If you run Meta Box, 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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