Meta Box – WordPress Custom Fields Framework: Arbitrary file deletion
Meta Box – WordPress Custom Fields Framework is affected by arbitrary file deletion. Exposure depends on how the affected operation is made reachable by the site. A successful request can remove files outside the intended scope and may make the site unavailable. The published affected range is n/a through 5.11.1.
- Component
- Meta Box – WordPress Custom Fields Framework
- Plugin slug
meta-box- Affected
- n/a through 5.11.1
- Safe version
5.11.2- Published
- Jun 15, 2026
This CVE was published Jun 15, 2026 and is one of 7 known issues for this plugin.
Update, patch or deactivate.
Update Meta Box – WordPress Custom Fields Framework to 5.11.2 or later, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Contributor Arbitrary File Deletion in Meta Box – WordPress Custom Fields Framework <= 5.11.1 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H