EUVD-2025-197992

Incomplete validation of rich response messages in WhatsApp for iOS prior to v2.25.23.73, WhatsApp Business for iOS v2.25.23.82, and WhatsApp for Mac v2.25.23.83 could have allowed a user to trigger processing of media content from an arbitrary URL on another user’s device. We have not seen...

CVE-2025-55179

Incomplete validation of rich response messages in WhatsApp for iOS prior to v2.25.23.73, WhatsApp Business for iOS v2.25.23.82, and WhatsApp for Mac v2.25.23.83 could have allowed a user to trigger processing of media content from an arbitrary URL on another user’s device. We have not seen...

CVE-2025-55179

Incomplete validation of rich response messages in WhatsApp for iOS prior to v2.25.23.73, WhatsApp Business for iOS v2.25.23.82, and WhatsApp for Mac v2.25.23.83 could have allowed a user to trigger processing of media content from an arbitrary URL on another user’s device. We have not seen...

A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers

By plugging tens of billions of phone numbers into WhatsApp’s contact discovery tool, researchers found “the most extensive exposure of phone numbers” ever—along with profile photos and more...

CVE-2025-55179

WhatsApp family apps (iOS and Mac) are affected by incomplete validation of rich response messages that could allow processing of media content from an arbitrary URL on another user’s device. Affected versions: iOS WhatsApp pre-2.25.23.73, iOS WhatsApp Business pre-2.25.23.82, and Mac WhatsApp pr...

CVE-2025-55179

Incomplete validation of rich response messages in WhatsApp for iOS prior to v2.25.23.73, WhatsApp Business for iOS v2.25.23.82, and WhatsApp for Mac v2.25.23.83 could have allowed a user to trigger processing of media content from an arbitrary URL on another user’s device. We have not seen...

CVE-2025-55179

Incomplete validation of rich response messages in WhatsApp for iOS prior to v2.25.23.73, WhatsApp Business for iOS v2.25.23.82, and WhatsApp for Mac v2.25.23.83 could have allowed a user to trigger processing of media content from an arbitrary URL on another user’s device. We have not seen...

PT-2025-47320

Name of the Vulnerable Software and Affected Versions WhatsApp for iOS versions prior to 2.25.23.73 WhatsApp Business for iOS versions prior to 2.25.23.82 WhatsApp for Mac versions prior to 2.25.23.83 Description A flaw exists in the validation of rich response messages. This could allow a user t...

Facebook WhatsApp 安全漏洞

Facebook WhatsApp is a suite of mobile applications from Facebook Inc. in the United States that are based on the Android platform and utilize the network to deliver text messages. The application uses contact information in a smartphone to find contacts using the software to send texts, images,...

Automated Side-Channel Analysis of Cryptographic Protocol Implementations

We extract the first formal model of WhatsApp from its implementation by combining binary-level analysis via CryptoBap with reverse engineering via Ghidra to handle this large closed-source application. Using this model, we prove forward secrecy, identify a known clone-attack against...

Scammers Abuse WhatsApp Screen Sharing to Steal OTPs and Funds

A fast-spreading threat, known as the screen-sharing scam, is using a simple feature on WhatsApp to steal money…...

WhatsApp Malware 'Maverick' Hijacks Browser Sessions to Target Brazil's Biggest Banks

Threat hunters have uncovered similarities between a banking malware called Coyote and a newly disclosed malicious program dubbed Maverick that has been propagated via WhatsApp. According to a report from CyberProof, both malware strains are written in .NET, target Brazilian users and banks, and...

LANDFALL Spyware Targeted Samsung Galaxy Phones via Malicious Images

Unit 42 discovered LANDFALL, commercial-grade Android spyware, which used a hidden image vulnerability CVE-2025-21042 to remotely spy on Samsung Galaxy users via WhatsApp. Update your phone now...

Samsung Mobile Flaw Exploited as Zero-Day to Deploy LANDFALL Android Spyware

A now-patched security flaw in Samsung Galaxy Android devices was exploited as a zero-day to deliver a "commercial-grade" Android spyware dubbed LANDFALL in targeted attacks in the Middle East. The activity involved the exploitation of CVE-2025-21042 CVSS score: 8.8, an out-of-bounds write flaw i...

Spyware-Plugged ChatGPT, DALL·E and WhatsApp Apps Target US Users

Are you using a fake version of a popular app? Appknox warns US users about malicious brand clones hiding on third-party app stores. Protect yourself from hidden spyware and ‘commercial parasites.’...

How to set up two factor authentication (2FA) on your Instagram account

Two-factor authentication 2FA isn't foolproof, but it is one of the best ways to protect your accounts from hackers. It adds a small extra step when logging in, but that extra effort pays off. Instagram’s 2FA requires an additional code whenever you try to log in from an unrecognized device or...

Active Water Saci Campaign Spreading Via WhatsApp Features Multi-Vector Persistence and Sophisticated C&C

Continuous investigation on the Water Saci campaign reveals innovative email-based C&C system, multi-vector persistence, and real-time command capabilities that allow attackers to orchestrate coordinated botnet operations, gather detailed campaign intelligence, and dynamically control malware...

CVE-2025-53422

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in ThemeWarriors WhatsApp Chat for WordPress and WooCommerce tw-whatsapp-chat-rotator allows Reflected XSS.This issue affects WhatsApp Chat for WordPress and WooCommerce: from n/a through = 1.2.1...

Over 100 Chrome extensions break WhatsApp’s anti-spam rules

Recent research by Socket’s Threat Research Team uncovered a massive, coordinated campaign flooding the Chrome Web Store with 131 spamware extensions. These add-ons hijack WhatsApp Web—the browser version of WhatsApp—to automate bulk messages and skirt anti-spam controls. Spamware is software tha...

EUVD-2025-35461

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in ThemeWarriors WhatsApp Chat for WordPress and WooCommerce tw-whatsapp-chat-rotator allows Reflected XSS.This issue affects WhatsApp Chat for WordPress and WooCommerce: from n/a through = 1.2.1...