CVE-2026-126543

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.

References

• https://github.com/WWBN/AVideo/blob/v29.7.1/plugin/PayPalYPT/ipnV2.php#L87-L125
• https://github.com/WWBN/AVideo/commit/98406b7944e035e72082665ac886d78fc3af0a7f
• https://github.com/WWBN/AVideo/security/advisories/GHSA-5gg3-9jhh-xf86
• https://www.vulncheck.com/advisories/wwbn-avideo-through-29.7.1-wallet-credit-manipulation-via-paypalypt-ipnv2-php