CVE-2026-89304 Paymendo Bank Transfer <= 1.1 - Unauthenticated Blind SQLi via 'paymendo_bank_transfer_completed_payment' Parameter
Unauthenticated attackers can perform blind SQL injection via the paymendo_bank_transfer_completed_payment parameter to read database contents.
- 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-2026-89304?
CVE-2026-89304 is a medium-severity SQL injection vulnerability in Unknown paymendo, published on 11 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The paymendo WordPress plugin through 1.1 does not properly sanitize and escape a parameter before using it in a SQL query, allowing unauthenticated users to perform blind SQL injection attacks.
Weakness: CWE-89
Which versions are affected by CVE-2026-89304?
How do I fix CVE-2026-89304?
No fix has been published for CVE-2026-89304 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-2026-89304 being exploited?
There is no known exploitation of CVE-2026-89304 in the wild and no public exploit code.
Sources
Also known as GHSA-3p92-g8x8-w3r5.