CVE-2026-15248 Meta Box < 5.13.1 - Contributor+ Arbitrary Attachment Deletion via IDOR

Medium 5.5 Published Updated

Low-privilege users can delete arbitrary media attachments belonging to other users due to missing authorization checks in the Meta Box plugin.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-15248?

CVE-2026-15248 is a medium-severity missing authorization vulnerability in Unknown Meta Box, published on 2 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2026-15248?

How do I fix CVE-2026-15248?

No fix has been published for CVE-2026-15248 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-15248 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15248 exists.

Sources

Also known as GHSA-vpwf-36p2-3fwr.

Is CVE-2026-15248 in your software?

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