Hackers Deploy Stealth Backdoor in WordPress Mu-Plugins to Maintain Admin Access

Cybersecurity researchers have uncovered a new stealthy backdoor concealed within the "mu-plugins" directory in WordPress sites to grant threat actors persistent access and allow them to perform arbitrary actions. Must-use plugins aka mu-plugins are special plugins that are automatically activate...

Imperva Customers Protected Against Critical “ToolShell” Zero‑Day in Microsoft SharePoint

A critical zero-day vulnerability in Microsoft SharePoint, tracked as CVE-2025-53770, is under active exploitation in the wild. The vulnerability, with a CVSS score of 9.8, impacts on-premises SharePoint Server 2016, 2019, and Subscription Edition, and allows unauthenticated remote code execution...

Critical Golden dMSA Attack in Windows Server 2025 Enables Cross-Domain Attacks and Persistent Access

Cybersecurity researchers have disclosed what they say is a "critical design flaw" in delegated Managed Service Accounts dMSAs introduced in Windows Server 2025. "The flaw can result in high-impact attacks, enabling cross-domain lateral movement and persistent access to all managed service accoun...

CVE-2025-53099 Sentry Missing Invalidation of Authorization Codes During OAuth Exchange and Revocation

Sentry is a developer-first error tracking and performance monitoring tool. Prior to version 25.5.0, an attacker with a malicious OAuth application registered with Sentry can take advantage of a race condition and improper handling of authorization code within Sentry to maintain persistence to a...

📄 Glass Cage Zero-Click iMessage Exploit Details

Glass Cage, a vulnerability chain discovered on iOS 18.2, enables an attacker to compromise a device silently by sending a single malicious PNG image via iMessage. The exploit bypasses multiple layers of Apple's defenses, including BlastDoor, WebKit sandboxing, and CoreMedia memory protections...

CVE-2024-40893

Multiple authenticated operating system OS command injection vulnerabilities exist in Firewalla Box Software versions before 1.979. A physically close attacker that is authenticated to the Bluetooth Low-Energy BTLE interface can use the network configuration service to inject commands in various...

CVE-2021-39866

A business logic error in the project deletion process in GitLab 13.6 and later allows persistent access via project access tokens...

Malicious code in haml-jst-loader (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware a0d8ca2db3fdc34877d4cbc9c4b109a713c2d744251b47b95621df2db46fc5fd Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

The dangers of web based messaging apps

TL;DR Anyone with a web browser and access to your phone in an unlocked state could potentially set up persistent access to your secure messaging platforms without needing to know your credentials!. Whilst this clearly requires unfettered access to your phone, scenarios such as screen replacement...

Malicious code in jcl-core (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware e5db8fba1d3af4871fe70fb88d7eef37a6740477ddfe683e8258afa4345d7055 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Thousands of WordPress Websites Infected with Malware

The malware includes four separate backdoors: Creating four backdoors facilitates the attackers having multiple points of re-entry should one be detected and removed. A unique case we haven't seen before. Which introduces another type of attack made possibly by abusing websites that don't monitor...

FIN7, FIN8, and Others Use Ragnar Loader for Persistent Access and Ransomware Operations

Threat hunters have shed light on a "sophisticated and evolving malware toolkit" called Ragnar Loader that's used by various cybercrime and ransomware groups like Ragnar Locker aka Monstrous Mantis, FIN7, FIN8, and Ruthless Mantis ex-REvil. "Ragnar Loader plays a key role in keeping access to...

PHP-CGI RCE Flaw Exploited in Attacks on Japan's Tech, Telecom, and E-Commerce Sectors

Threat actors of unknown provenance have been attributed to a malicious campaign predominantly targeting organizations in Japan since January 2025. "The attacker has exploited the vulnerability CVE-2024-4577, a remote code execution RCE flaw in the PHP-CGI implementation of PHP on Windows, to gai...

Over 1,000 WordPress Sites Infected with JavaScript Backdoors Enabling Persistent Attacker Access

Over 1,000 websites powered by WordPress have been infected with a third-party JavaScript code that injects four separate backdoors. "Creating four backdoors facilitates the attackers having multiple points of re-entry should one be detected and removed," c/side researcher Himanshu Anand said in ...

Malicious code in totem-project-website (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware d8e4f8906dbfdd2a20cc7cd9a3d92b2b079381e8440c9d434a5ad4767dbc176f Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in grammyjs-sdk (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware d05f6c295e765b1889ffc72832434e365ea15f5aa6f8a6a555f42364c86a2c17 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in digitalexp-microfrontends-framework (npm)

The package communicates with a domain associated with malicious activity. --- -= Per source details. Do not edit below this line.=- Source: ghsa-malware e0ca94db6587b92069f32a0574951f800a7cf2789f0ca5ad3dce95bcb122e205 Any computer that has this package installed or running should be considered...

Malicious code in supply-chain-planner (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware e04d233f8a8aea9243490197311b90d7313bce41848541de6447f1c8538b4448 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in 32red-analytics (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 9ed89d9090f04408f9fe5a5788a75ae961c0e656eafa0ea294b9974471655b3e Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

Malicious code in peritter (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware e928152262a15c3663758b7d61ee855e89db1870d95ba6587ad86d367841c476 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...