CVE-2026-8678 Missing authorization in MyParcel
Authenticated subscribers can view and modify shipment options for any order due to missing authorization checks in the MyParcel WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8678?
CVE-2026-8678 is a medium-severity missing authorization vulnerability in richardperdaan MyParcel, published on 11 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The MyParcel plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.25.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to view and modify shipment options — including carrier, delivery type, package type, number of labels, weight, signature requirement, and insurance — on any arbitrary order.
Weakness: CWE-862
Which versions are affected by CVE-2026-8678?
How do I fix CVE-2026-8678?
No fix has been published for CVE-2026-8678 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-2026-8678 being exploited?
There is no known exploitation of CVE-2026-8678 in the wild and no public exploit code.
Sources
Also known as GHSA-925v-q6j4-3pxp.