WordPress Easy PayPal & Stripe Buy Now Button plugin 1.8-2.0.5 - Unauthenticated Payment Amount Manipulation vulnerability

Unauthenticated Payment Amount Manipulation vulnerability discovered by JunHee CHO in WordPress Plugin Easy PayPal Buy Now Button versions 1.8-2.0.5...

CVE-2026-90987 Easy PayPal & Stripe Buy Now Button 1.8 - 2.0.5 - Unauthenticated Payment Amount Manipulation via Client-Supplied Price

The Easy PayPal & Stripe Buy Now Button WordPress plugin before 2.0.6 does not derive the payment amount on the server, taking it from a client-supplied field, so an unauthenticated attacker sets an arbitrary lower price for a purchase...

CVE-2026-100872

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

CVE-2026-100872 Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

CVE-2026-100872

Sylius versions before 2.1.16 and 2.2.9 are vulnerable to an order total manipulation flaw. The system fails to validate payment amounts during cart recalculation , allowing unauthenticated attackers to modify order totals after a gateway transaction has been initiated. Specifically, an attacker ...

CVE-2026-100872 Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

CVE-2026-100872 Sylius 2.x before 2.1.16 and 2.2.9 Payment Amount Overwrite

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

EUVD-2026-87944

Sylius versions before 2.1.16 and 2.2.9 fail to validate payment amounts during cart recalculation, allowing unauthenticated attackers to modify order totals after gateway transaction initiation. Attackers can pay a small amount, enlarge the order after gateway capture, and have the system mark t...

CVE-2026-77765 Better Payment < 2.3.4 - Unauthenticated Payment Amount Manipulation

The Better Payment WordPress plugin before 2.3.4 does not validate the submitted payment amount server-side against the merchant's configured fixed price before building the gateway charge, allowing unauthenticated users to pay an arbitrary reduced amount for a fixed-price item...

WordPress Better Payment plugin < 2.3.4 - Unauthenticated Payment Amount Manipulation vulnerability

Unauthenticated Payment Amount Manipulation vulnerability discovered by Muni Nitish Kumar Yaddala in WordPress Plugin Better Payment – Instant Payments, Donations, Fundraising with Subscriptions & More versions 2.3.4...

CVE-2026-77765 Better Payment < 2.3.4 - Unauthenticated Payment Amount Manipulation

The Better Payment WordPress plugin before 2.3.4 does not validate the submitted payment amount server-side against the merchant's configured fixed price before building the gateway charge, allowing unauthenticated users to pay an arbitrary reduced amount for a fixed-price item...

CVE-2026-77765

The Better Payment WordPress plugin, versions prior to 2.3.4 , is vulnerable to an Unauthenticated Payment Amount Manipulation vulnerability. The root cause is a failure to validate submitted payment amounts server-side against the merchant's configured fixed price before constructing the gateway...

PT-2026-97161

Name of the Vulnerable Software and Affected Versions Better Payment WordPress plugin versions prior to 2.3.4 Description An issue exists where the plugin fails to validate the submitted payment amount on the server side against the merchant's configured fixed price before the gateway charge is...

CVE-2026-77765: Improper Access Control

The Better Payment WordPress plugin before 2.3.4 does not validate the submitted payment amount server-side against the merchant's configured fixed price before building the gateway charge, allowing unauthenticated users to pay an arbitrary reduced amount for a fixed-price item...

EUVD-2026-66272

The Booking Package WordPress plugin before 1.7.25 does not validate the payment amount server-side against the stored service price, deriving the expected charge from attacker-supplied request values instead, so an unauthenticated attacker can pay an arbitrary fraction of a service's real price...

CVE-2026-16986: Improper Access Control

The Booking Package WordPress plugin before 1.7.25 does not validate the payment amount server-side against the stored service price, deriving the expected charge from attacker-supplied request values instead, so an unauthenticated attacker can pay an arbitrary fraction of a service's real price...

CVE-2026-16577

The Dokan: AI Powered WooCommerce Multivendor Marketplace Solution WordPress plugin before 5.0.14 does not validate a client-supplied payment amount against the vendor's actual outstanding balance when recording a reverse-withdrawal payment, allowing a vendor to credit their reverse-withdrawal...

EUVD-2026-63819

The Dokan: AI Powered WooCommerce Multivendor Marketplace Solution WordPress plugin before 5.0.14 does not validate a client-supplied payment amount against the vendor's actual outstanding balance when recording a reverse-withdrawal payment, allowing a vendor to credit their reverse-withdrawal...

CVE-2026-67363

Joomla Extension - balbooa.com - Pre-auth Payment Amount Tampering in Balbooa Forms 2.4.3.2 - The stripeCharges and payAuthorize endpoints accept the charge total from a client-controlled request parameter and forward it to the payment gateway without recomputing it from the form's configured...

CVE-2026-67363: External Control of Assumed-Immutable Web Parameter

Joomla Extension - balbooa.com - Pre-auth Payment Amount Tampering in Balbooa Forms 2.4.3.2 - The stripeCharges and payAuthorize endpoints accept the charge total from a client-controlled request parameter and forward it to the payment gateway without recomputing it from the form's configured...