CVE-2026-103307 Walletdoc Payment Gateway for WooCommerce < 1.8.5 - Unauthenticated SQLi and Order Payment Forgery via Webhook
Unauthenticated attackers can perform SQL injection and forge order payments due to improper input sanitization and default empty webhook secrets.
- 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-2026-103307?
CVE-2026-103307 is a high-severity SQL injection vulnerability in Unknown Walletdoc Payment Gateway for WooCommerce, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Walletdoc Payment Gateway for WooCommerce WordPress plugin before 1.8.5 does not properly sanitize and escape user input before using it in a SQL statement, and verifies its payment webhook with a signing secret that is empty by default, allowing unauthenticated attackers to perform SQL injection attacks and to mark arbitrary orders as paid.
Weakness: CWE-89
Which versions are affected by CVE-2026-103307?
How do I fix CVE-2026-103307?
No fix has been published for CVE-2026-103307 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-103307 being exploited?
There is no known exploitation of CVE-2026-103307 in the wild and no public exploit code.
Sources
Also known as GHSA-wxpq-v4f2-m2jf.