EUVD-2026-28652

Brave CMS is an open-source CMS. Prior to commit 6c56603, the contact form is publicly accessible no authentication required. User-supplied message text is passed through PHP's nl2br function, which converts newlines to tags but does not escape HTML. The resulting string is then passed to a Blade...

AVideo: HTML Injection in notifySubscribers.json.php Allows Platform-Branded Phishing Emails to Channel Subscribers

Summary objects/notifySubscribers.json.php takes the raw message POST parameter and passes it into sendSiteEmail, which substitutes it directly into an HTML email template via strreplace on the message placeholder and renders it with PHPMailer::msgHTML. There is no HTML sanitization, character...

Email threat landscape: Q1 2026 trends and insights

In this article 1. Tycoon2FA disruption impact 2. QR code phishing attacks 3. CAPTCHA tactics 4. Malicious payloads 5. Business email compromise 6. Defending against email threats 7. Microsoft Defender detections During the first quarter of 2026 January-March, Microsoft Threat Intelligence detect...

CVE-2026-33657

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below have a stored HTML injection vulnerability that allows any authenticated user with standard non-administrative privileges to inject arbitrary HTML into system-generated email notifications by crafting...

Threat actor abuse of AI accelerates from tool to cyberattack surface

For the last year, one word has represented the conversation living at the intersection of AI and cybersecurity: speed. Speed matters, but it’s not the most important shift we are observing across the threat landscape today. Now, threat actors from nation states to cybercrime groups are embedding...

PT-2026-2331

Name of the Vulnerable Software and Affected Versions SAP Fiori App Intercompany Balance Reconciliation affected versions not specified Description The application allows an attacker with high privileges to send uploaded files to arbitrary emails, potentially enabling phishing campaigns. The issu...

Explainable Transformer-Based Email Phishing Classification with Adversarial Robustness

Phishing and related cyber threats are becoming more varied and technologically advanced. Among these, email-based phishing remains the most dominant and persistent threat. These attacks exploit human vulnerabilities to disseminate malware or gain unauthorized access to sensitive information. Dee...

The evolving landscape of email phishing attacks: how threat actors are reusing and refining established techniques

Introduction Cyberthreats are constantly evolving, and email phishing is no exception. Threat actors keep coming up with new methods to bypass security filters and circumvent user vigilance. At the same time, established – and even long-forgotten – tactics have not gone anywhere; in fact, some ar...

EUVD-2022-6383

Malicious code in bioql PyPI...

Facebook users targeted in ‘login’ phish

A few weeks ago we warned our readers of a phishing campaign targeting Instagram users that didn’t resort to the usual links to phishing websites, but used mailto: links instead. Now, it seems that these scammers have turned their attention to Facebook users. It works like this: The target receiv...

CVE-2021-29432

Sydent is a reference matrix identity server. A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address. This could be used to construct plausible phishing emails, for example. This issue has been fixed in 4469d1d...

CVE-2025-27102

Agate is central authentication server software for OBiBa epidemiology applications. Prior to version 3.3.0, when registering for an Agate account, arbitrary HTML code can be injected into a user's first and last name. This HTML is then rendered in the email sent to administrative users. The Agat...

CVE-2025-27156 Tuleap allows content injection via emails sent by the mass emailing features

Tuleap is an Open Source Suite to improve management of software developments and collaboration. The mass emailing features do not sanitize the content of the HTML emails. A malicious user could use this issue to facilitate a phishing attempt or to indirectly exploit issues in the recipients mail...

Latrodectus Malware Loader Emerges as IcedID's Successor in Phishing Campaigns

Cybersecurity researchers have observed a spike in email phishing campaigns starting early March 2024 that delivers Latrodectus, a nascent malware loader believed to be the successor to the IcedID malware. "These campaigns typically involve a recognizable infection chain involving oversized...

Attackers Using Obfuscation Tools to Deliver Multi-Stage Malware via Invoice Phishing

Cybersecurity researchers have discovered an intricate multi-stage attack that leverages invoice-themed phishing decoys to deliver a wide range of malware such as Venom RAT, Remcos RAT, XWorm, NanoCore RAT, and a stealer that targets crypto wallets. The email messages come with Scalable Vector...

TA4903 Spoofing Government Entities and SMBs for Financial Gain

Summary: TA4903, a financially motivated threat actor, conducts high-volume email campaigns targeting U.S. organizations for credential phishing and business email compromise BEC. They spoof various U.S. government agencies and private businesses, employing tools like EvilProxy and incorporating ...

New Phishing Kit Leverages SMS, Voice Calls to Target Cryptocurrency Users

A novel phishing kit has been observed impersonating the login pages of well-known cryptocurrency services as part of an attack cluster codenamed CryptoChameleon that's designed to primarily target mobile devices. "This kit enables attackers to build carbon copies of single sign-on SSO pages, the...

The Anatomy of HTML Attachment Phishing

The Anatomy of HTML Attachment Phishing: One Code, Many Variants By Mathanraj Thangaraju, Niranjan Hegde, and Sijo Jacob · June 14, 2023 Introduction Phishing is the malevolent practise of pretending to be a reliable entity in electronic communication to steal sensitive data, such as login...

Saints Turned Evil

Saints Turned Evil By Daksh Kapur and Rohan Shah · January 2, 2024 This blog was also written by Sushant Kumar Arya Attribution at the Bottom As technology advances, attackers are constantly developing new evasion mechanisms to bypass security products and stay one step ahead of security vendors...

QR codes in email phishing

QR codes are everywhere: you can see them on posters and leaflets, ATM screens, price tags and merchandise, historical buildings and monuments. People use them to share information, promote various online resources, pay for their goodies, and pass verification. And yet you dont see lots of QR cod...