user.php in the Billing Control Panel in phpCoupon allows remote authenticated users to obtain Premium Member status, and possibly acquire free coupons, via a modified URL containing a certain billing parameter and REQ=auth, status=success, and custom=upgrade substrings, possibly related to PayPal transactions.
CVSS Details
- CVSS 3.1 Base Score: 4.3
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub