Description
WWBN AVideo through 29.7.1 contains an improper payment verification vulnerability in plugin/PayPalYPT/ipnV2.php that credits wallets from PayPal IPNs not bound to the site's merchant account. Unauthenticated attackers can forward genuine VERIFIED recurring-payment IPNs from their own PayPal account with a chosen users_id to add wallet balance each billing cycle.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WWBN | AVideo | ≤ 29.7.1 | — |
References
- GitHub Security Advisory (GHSA-5gg3-9jhh-xf86) vendor-advisory
- https://github.com/WWBN/AVideo/commit/98406b7944e035e72082665ac886d78fc3af0a7f patch
- https://github.com/WWBN/AVideo/blob/v29.7.1/plugin/PayPalYPT/ipnV2.php#L87-L125 technical-description
- VulnCheck Advisory: WWBN AVideo through 29.7.1 Wallet Credit Manipulation via PayPalYPT ipnV2.php third-party-advisory