PT-2025-44592

Name of the Vulnerable Software and Affected Versions The Events Calendar plugin for WordPress versions through 6.15.9 Description The The Events Calendar plugin for WordPress is susceptible to unauthorized access. A missing capability check on the tec qr code modal API endpoint allows...

EUVD-2022-27892

Malicious code in bioql PyPI...

EUVD-2025-7773

Malicious code in bioql PyPI...

EUVD-2024-45408

Malicious code in bioql PyPI...

Family group chats: Your (very last) line of cyber defense

Welcome to this week's edition of the Threat Source newsletter, and happy Cybersecurity Awareness Month. Like everyone under the age of 35 who has at least one father, my dad sends me advice on online safety at least once a week. Does he work in information security? No. He's a recently retired...

Unexpected snail mail packages are being sent with scammy QR codes, warns FBI

Receiving an unexpected package in the post is not always a pleasant surprise. The FBI has warned the public about unsolicited packages containing a QR code which leads to a website aimed at stealing personal data or downloading malware to the victim's device. The packages are often shipped witho...

PDFs: Portable documents, or perfect deliveries for phish?

Cisco recently developed and released an update to its brand impersonation detection engine for emails. This new update enhances detection coverage and includes a wider range of brands that are delivered using PDF payloads or attachments. A significant portion of email threats with PDF payloads...

CVE-2024-51572

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in shawfactor LH QR Codes lh-qr-codes allows Stored XSS.This issue affects LH QR Codes: from n/a through = 1.06...

CVE-2022-22749

When scanning QR codes, Firefox for Android would have allowed navigation to some URLs that do not point to web content. This bug only affects Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox 96...

A week in security (March 31 – April 6)

Last week on Malwarebytes Labs: Why we’re no longer doing April Fools’ Day Intimate images from kink and LGBTQ+ dating apps left exposed online "Urgent reminder" tax scam wants to phish your Microsoft credentials "Nudify" deepfakes stored unprotected online Location, name, and photos of random ki...

QR codes sent in attachments are the new favorite for phishers

Recently we’ve been seeing quite a few phishing campaigns using QR codes in email attachments. The lure and the targets are varied, but the use of a QR code to get someone to visit the phishing site is fast becoming a preferred method for cybercriminals. There are several reasons why cybercrimina...

CVE-2025-27425

Scanning certain QR codes that included text with a website URL could allow the URL to be opened without presenting the user with a confirmation alert first. This vulnerability was fixed in Firefox for iOS 136...

CVE-2025-27425

Scanning certain QR codes that included text with a website URL could allow the URL to be opened without presenting the user with a confirmation alert first This vulnerability affects Firefox for iOS 136...

PT-2025-9670

Name of the Vulnerable Software and Affected Versions Firefox for iOS versions prior to 136 Description A issue exists where scanning certain QR codes containing website URLs can lead to the URL being opened without a confirmation alert. Recommendations For Firefox for iOS versions prior to 136,...

The Rise of QR Phishing: How Scammers Exploit QR Codes and How to Stay Safe

QR phishing is on the rise, tricking users into scanning malicious QR codes. Learn how cybercriminals exploit QR codes and how to protect yourself...

Hackers Exploit Signal's Linked Devices Feature to Hijack Accounts via Malicious QR Codes

Multiple Russia-aligned threat actors have been observed targeting individuals of interest via the privacy-focused messaging app Signal to gain unauthorized access to their accounts. "The most novel and widely used technique underpinning Russian-aligned attempts to compromise Signal accounts is t...

A Signal Update Fends Off a Phishing Technique Used in Russian Espionage

Google warns that hackers tied to Russia are tricking Ukrainian soldiers with fake QR codes for Signal group invites that let spies steal their messages. Signal has pushed out new safeguards...

USN-7247-1: OpenCV vulnerabilities

It was discovered that OpenCV did not properly manage certain XML data, leading to a NULL pointer dereference. If a user were tricked into loading a specially crafted file, a remote attacker could possibly use this issue to make OpenCV crash, resulting in a denial of service. This issue only...

Black Basta Ransomware Evolves with Email Bombing, QR Codes, and Social Engineering

The threat actors linked to the Black Basta ransomware have been observed switching up their social engineering tactics, distributing a different set of payloads such as Zbot and DarkGate since early October 2024. "Users within the target environment will be email bombed by the threat actor, whic...

MGASA-2024-0374 Updated zbar packages fix security vulnerabilities

A heap-based buffer overflow exists in the qrreadermatchcenters function of ZBar 0.23.90. Specially crafted QR codes may lead to information disclosure and/or arbitrary code execution. To trigger this vulnerability, an attacker can digitally input the malicious QR code, or prepare it to be...