CVE-2026-103301 Payment Gateway for Telcell < 2.0.5 - Unauthenticated Payment Confirmation Forgery via Empty-Default Merchant Secret
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-103301?
CVE-2026-103301 is a medium-severity vulnerability in Unknown Payment Gateway for Telcell, published on 21 Oct 2026.
Official description
The Payment Gateway for Telcell WordPress plugin before 2.0.5 does not verify the authenticity of incoming payment notifications, because the secret used to sign them is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary WooCommerce orders as paid. The same handler also marks an attacker-chosen order as failed when given an invalid signature.
Weakness: CWE-345
Which versions are affected by CVE-2026-103301?
How do I fix CVE-2026-103301?
No fix has been published for CVE-2026-103301 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-103301 being exploited?
There is no known exploitation of CVE-2026-103301 in the wild and no public exploit code.
Sources
Also known as GHSA-mcx5-9495-x4v5.