SR-Fraud: An Outcome-Supervised Reflective LLM Agent Framework for Non-Stationary Payment Fraud Detection

Real-time payment fraud detection is a non-stationary streaming prediction problem: adversaries adapt before supervised labels mature, and localized burst attacks can cause losses before retraining. Production systems typically rely on tabular classifiers and rules, which can struggle to capture...

WindRelay Android Malware Turns Victims' Phones Into NFC Relays for Payment Fraud

A previously unseen Android near field communication NFC relay malware family dubbed WindRelay is being deployed in conjunction with a known remote access trojan RAT called SpyNote as part of a contactless payment fraud scheme. The purpose-built malware, according to Group-IB, is designed to...

CVE-2026-15045

The Wallet System for WooCommerce WordPress plugin before 2.7.10 does not validate a user-supplied wallet amount against the customer's actual stored balance during checkout, allowing authenticated customers to arbitrarily reduce their own order total, including down to zero, and complete checkou...

CVE-2026-17008

The Quick Paypal Payments WordPress plugin through 5.7.50 does not verify the paid amount, receiver, or payment status in its PayPal IPN handler and marks an order paid on an order-token match alone, so a buyer who pays an arbitrary small amount can have a full-price order marked paid...

PT-2026-71050

Name of the Vulnerable Software and Affected Versions Wallet System for WooCommerce versions prior to 2.7.10 Description Authenticated users with Custom-level access and above can bypass payments during checkout. The issue occurs because the plugin fails to validate the user-supplied wallet amoun...

CVE-2026-68500: Authorization Bypass Through User-Controlled Key

Sylius Mollie Plugin provides Mollie payment integration for Sylius applications. Prior to 2.2.8, 3.2.4, and 3.3.1, Sylius Mollie Plugin's POST /locale/update-payment payment webhook accepts attacker-controlled id and orderId parameters but does not verify that the Mollie payment belongs to the...

CVE-2026-33661 WeChat Pay callback signature verification bypassed when Host header is localhost

Pay is an open-source payment SDK extension package for various Chinese payment services. Prior to version 3.7.20, the verifywechatsign function in src/Functions.php unconditionally skips all signature verification when the PSR-7 request reports localhost as the host. An attacker can exploit this...

CVE-2026-33661 WeChat Pay callback signature verification bypassed when Host header is localhost

Pay is an open-source payment SDK extension package for various Chinese payment services. Prior to version 3.7.20, the verifywechatsign function in src/Functions.php unconditionally skips all signature verification when the PSR-7 request reports localhost as the host. An attacker can exploit this...

CVE-2026-1305

The Japanized for WooCommerce plugin for WordPress is vulnerable to Improper Authentication in versions up to, and including, 2.8.4. This is due to a flawed permission check in the paidywebhookpermissioncheck function that unconditionally returns true when the webhook signature header is omitted...

Criminals are using AI website builders to clone major brands

AI tool Vercel was abused by cybercriminals to create a Malwarebytes lookalike website. Cybercriminals no longer need design or coding skills to create a convincing fake brand site. All they need is a domain name and an AI website builder. In minutes, they can clone a site's look and feel, plug i...

CVE-2025-14461

The Xendit Payment plugin for WordPress is vulnerable to unauthorized order status manipulation in all versions up to, and including, 6.0.2. This is due to the plugin exposing a publicly accessible WooCommerce API callback endpoint wcxenditcallback that processes payment callbacks without any...

EUVD-2025-206808

The Xendit Payment plugin for WordPress is vulnerable to unauthorized order status manipulation in all versions up to, and including, 6.0.2. This is due to the plugin exposing a publicly accessible WooCommerce API callback endpoint wcxenditcallback that processes payment callbacks without any...

CVE-2025-14461

The Xendit Payment plugin for WordPress is vulnerable to unauthorized order status manipulation in all versions up to, and including, 6.0.2. This is due to the plugin exposing a publicly accessible WooCommerce API callback endpoint wcxenditcallback that processes payment callbacks without any...

Fake Bureau of Motor Vehicles texts are after your personal and banking details

Scammers are sending out texts that claim to be from the Bureau of Motor Vehicles BMV, saying that you have outstanding traffic tickets. Here's an example, which was sent to one of our employees. “Ohio BMV Final Notice: Enforcement Begins September 10nd. Our records indicate that as of today, you...

Airbnb scam sends you to a fake Tripadvisor site, takes your money

One of my co-workers who works on Malwarebytes’ web research team just witnessed a real life example of how useful his work is in protecting people against scammers. Stefan decided to visit Amsterdam with his girlfriend, and found a very nice and luxurious apartment in Amsterdam on Airbnb. In the...

Fake Flipper Zero websites look to cause a big splash

Security researchers are advised to be on the lookout for scammers targeting their interest in the latest hard to obtain security testing tools. Flipper Zero, a slick looking portable multi-tool which frequently makes its way into the news, is one of the hottest pieces of kit around for security...

Microsoft Warns of Large-Scale AiTM Phishing Attacks Against Over 10,000 Organizations

Microsoft on Tuesday disclosed that a large-scale phishing campaign targeted over 10,000 organizations since September 2021 by hijacking Office 365's authentication process even on accounts secured with multi-factor authentication MFA. "The attackers then used the stolen credentials and session...

CVE-2021-26631

Improper input validation vulnerability in Mangboard commerce package could lead to occur for abnormal request. A remote attacker can exploit this vulnerability to manipulate the total order amount into a negative number and then pay for the order...

Top 3 Attack Trends in API Security – Podcast

In late July 2021, online retailers got hit with a jaw-dropping 2,800 percent increase in attack takeovers. Dead-set on gift card fraud via “scrape for resale” and other types of fraud, the attacks spiraled up to the rate of 700,000 attacks per day. In a separate case – of a loan application frau...

The vulnerability of MasterCard Tokenisation Service (MDES) and Visa Tokenisation Service (VTS) lies in the possibility of arbitrary modification of the “Amount” field in the Authorization Request ISO 8583 packet. This allows attackers to use cryptographic algorithms to carry out fraudulent transactions.

The vulnerability of MasterCard Tokenisation Service MDES and Visa Tokenisation Service VTS lies in the possibility of arbitrary modification of the “Amount” field in the Authorisation Request ISO 8583 packet. Exploiting this vulnerability could allow attackers to use cryptographic keys to carry...