WordPress Plugin Vulnerabilities
UniPAY Payment Gateway For WooCommerce <= 2.3 - Unauthenticated Order Payment Forgery via Empty IPN Secret
Description
The plugin does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid.
Proof of Concept
Affects Plugins
No known fix References
CVE
Classification
Type
AUTHBYPASS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Naoki Kawahigashi
Submitter
Naoki Kawahigashi
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-25 (about 2 days ago)
Added
2026-10-18 (about 9 days ago)
Last Updated
2026-10-18 (about 9 days ago)
