CVE-2026-81648 Missing authorization in CryptoPayment Gateway
Unauthenticated attackers can delete arbitrary files, modify payment settings, and steal wallet credentials due to missing authorization checks in the AJAX router.
- 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-2026-81648?
CVE-2026-81648 is a critical missing authorization vulnerability in Unknown CryptoPayment Gateway, published on 13 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The CryptoPayment Gateway WordPress plugin from 1.2.1 to 1.2.2 does not apply an authorization check on one of its AJAX endpoints, allowing unauthenticated users to invoke administrative operations, including deleting arbitrary files on the server, overwriting the payment gateway configuration and recovering stored wallet credentials in cleartext.
Weakness: CWE-862
Which versions are affected by CVE-2026-81648?
How do I fix CVE-2026-81648?
No fix has been published for CVE-2026-81648 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-2026-81648 being exploited?
There is no known exploitation of CVE-2026-81648 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-9r3q-6qw8-8pm7.