CVE-2025-6721 Vchasno Kasa <= 1.0.3 - Missing Authorization to Unauthenticated Invoice Generation

Medium 5.3 Published Updated

Unauthenticated attackers can generate invoices for arbitrary orders due to a missing capability check in the Vchasno Kasa WordPress plugin.

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

What is CVE-2025-6721?

CVE-2025-6721 is a medium-severity missing authorization vulnerability in bandido MORKVA Vchasno Kasa Integration, published on 19 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Vchasno Kasa plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the mrkv_vchasno_kasa_wc_do_metabox_action() function in all versions up to, and including, 1.0.3. This makes it possible for unauthenticated attackers to generate invoices for arbitrary orders.

Weakness: CWE-862

Which versions are affected by CVE-2025-6721?

How do I fix CVE-2025-6721?

No fix has been published for CVE-2025-6721 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-2025-6721 being exploited?

There is no known exploitation of CVE-2025-6721 in the wild and no public exploit code.

Sources

Also known as GHSA-xf7h-qhx6-p3pv.

Is CVE-2025-6721 in your software?

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