Tag: javascript
73 articles

Isolated-vm Flaw Exposes Sandbox to Host Escape Vulnerability
A critical flaw in the isolated-vm library can allow code running in a sandboxed environment to corrupt memory in the host process, exposing it to a host escape vulnerability. This vulnerability is triggered by a type confusion in the ExternalCopy's handling of the transferList option.

Worm Compromises 430 npm Packages
A massive credential-stealing campaign, dubbed ChainDrop, has compromised over 430 npm packages, impacting a staggering two billion monthly installs, with security researchers tracing the intrusion back to a single GitHub account hack on August 4. The breach has hit some major players, including cacheable, flat-cache, and file-entry-cache, with tens of millions of downloads each month.

Mustang Panda Exploits QuickFox Supply Chain to Deploy FDMTP Backdoor
Meet the sneaky Mustang Panda hackers, who've exploited a popular VPN tool's supply chain to slip a nasty FDMTP backdoor onto unsuspecting users' devices. They pulled it off with just two lines of JavaScript hidden in a tampered installer.

Hackers Exploit Adform Script to Swap Crypto Wallet Addresses
Beware: hackers have cleverly manipulated a popular ad script to swap crypto wallet addresses, allowing them to intercept your transactions even if you double-check and recopy the address. This sneaky tactic uses a cleverly hidden code to override your wallet details in real-time.

Adform Script Compromised to Steal Cryptocurrency
A security breach at Adform has led to a malicious script that can compromise your device with cryptocurrency-stealing malware, simply by visiting a website that uses their ad tech. This sneaky malware can infiltrate your device through seemingly harmless websites, just by embedding a compromised Adform script.

Amazon Exposes North Korean Hacking Campaign Targeting Open-Source Software
A North Korea-linked hacking group has been exploiting widely-used open-source software, infecting millions of users through compromised packages like axios, which alone receives over 100 million downloads weekly. This campaign, linked to a single financially motivated actor, has been targeting major JavaScript packages since March 2025.

Compromised npm Packages Deliver DEV#POPPER Malware via Blockchain
Malicious npm packages have been discovered delivering DEV#POPPER malware via blockchain, with two beta releases in the @joyfill namespace containing a sneaky JavaScript implant that springs into action the moment Node.js loads the package. This stealthy implant can execute in any process that requires the compromised package, making it a serious threat.

Malicious Vite npm Packages Exploit Blockchain C2 for RAT Delivery
Security researchers have uncovered a sneaky campaign, dubbed ViteVenom, involving seven malicious npm packages that target Vite developers, executing malicious code as soon as they're imported. These packages, published in a matter of days, may have modest download counts, but their stealthy nature raises major red flags for the supply-chain community.

Blogger Platform Exploited in VEIL#DROP Malware Attack Chain
The VEIL#DROP malware attack chain starts with a sneaky JavaScript file, cleverly disguised as a harmless document, which executes through Windows Script Host and launches PowerShell with execution policy bypasses enabled. This multi-stage threat can be triggered by spear-phishing or a simple visit to a compromised website.

Malware Exploits VS Code Tasks in Hijacked Packages
Researchers have uncovered a sneaky malware attack that hides in Visual Studio Code tasks, masquerading as a harmless "eslint-check" task that springs into action the moment you open a compromised package directory in VS Code. The malware cleverly disguises its executable payload as a font file, allowing it to slip past defenses undetected.

Protobuf.js Vulnerabilities Expose Node.js Apps to Code Execution, DoS
A single malicious protobuf schema could be all it takes to trigger crashes, corrupt runtimes, or even execute code in vulnerable Node.js apps, warns Cyera security researcher Assaf Morag. Six newly identified vulnerabilities in protobuf.js, known as Proto6, carry high severity scores and could put your app at risk.

FortiGuard Labs Exposes Sophisticated Phishing Campaign Targeting Windows Users
Beware of a sneaky phishing campaign that's targeting Windows users with a multi-stage attack chain, starting with a seemingly harmless email attachment that unleashes a powerful malware. This stealthy threat uses clever tactics like process hollowing to inject malicious code into trusted Windows processes.

GitHub-Hosted Malware Targets PHP Packages in Coordinated Supply Chain Attack
Malicious code was injected into eight PHP packages on Packagist, triggering a Linux binary download from GitHub Releases via JavaScript lifecycle hooks in package.json postinstall scripts. The attack was swiftly contained, with the malicious versions removed from Packagist.

Vm2 Sandbox Flaw Exposes Host Systems to Code Execution Risk
A critical vulnerability, CVE-2026-26956, in the popular vm2 Node.js library can allow attackers to break free from the sandbox and execute malicious code on your host system, putting your entire environment at risk. To stay safe, upgrade to vm2 version 3.10.5 or later, or 3.11.2 for the latest protection.

Malware Worms Into SAP, Intercom and Lightning Developer Tools
Malicious actors struck SAP's JavaScript and cloud application development ecosystem on April 29, releasing poisoned versions of four widely-used npm packages that receive a staggering 572,000 weekly downloads. The compromised packages, which included mbt, @cap-js/db-service, @cap-js/postgres, and @cap-js/sqlite, were published in a brief window of just two hours.

Protobuf library flaw enables remote JavaScript code execution
A critical flaw in the popular protobuf.js library has been exposed, allowing hackers to execute JavaScript code remotely - and a proof-of-concept exploit has already been published, putting countless systems at risk.

North Korea-linked actor compromises axios NPM package
A shocking discovery by Google Threat Intelligence Group has exposed a vulnerability in the popular axios NPM package, which has over 100 million weekly downloads, and has raised urgent questions about the trustworthiness of software supply chains. A malicious dependency was secretly introduced into axios releases, putting countless applications at risk.

LinkedIn Harvests Browser Data with Secret Chrome Extension Scans
A recent report, dubbed BrowserGate, uncovers LinkedIn's hidden practice of scanning visitors' browsers for installed extensions and harvesting device data, raising serious questions about user privacy. The professional social network reportedly checks for over 6,000 Chrome extensions, leaving users to wonder: what should LinkedIn know about your browser?

LinkedIn Harvests Browser Data with Secret JavaScript Scripts
Did you know that LinkedIn is quietly harvesting browser data, including a list of your installed Chrome extensions, every time you load a page? A recent analysis, dubbed BrowserGate, uncovered the surprising truth behind LinkedIn's use of secret JavaScript scripts to scan visitor browsers.

Axios Library Compromised in North Korea-Linked Supply Chain Attack
A widely-used JavaScript library, Axios, has been compromised in a supply-chain attack linked to North Korea, allowing attackers to secretly inject malicious code into millions of applications and systems. This sneaky move has sent shockwaves through the open-source software community, highlighting the vulnerability of even the most trusted code.

Google Links Axios npm Breach to North Korea's UNC1069 Group
Google's threat intelligence team has linked a recent breach of the Axios npm package to UNC1069, a North Korean hacking group motivated by financial gain. This alarming discovery highlights the vulnerability of the software supply chain to state-linked cybercrime.

Malware Alert: Critical Axios NPM Hack Spreads Devastating Cross-Platform Threats
A critical security breach has hit Axios, a widely-used JavaScript library with over 100 million weekly downloads, leaving developers and users vulnerable to devastating cross-platform threats. This shocking incident raises a crucial question: can even the most trusted software sources be considered secure?

Axios Backdoor: Critical npm Supply Chain Attack Unleashes Devastating RAT Malware
A single compromised account has triggered a critical supply chain attack on Axios, a widely-used JavaScript library, unleashing devastating RAT malware and putting millions of developers worldwide at risk. This shocking breach highlights the urgent need for more stringent security measures to protect our global software ecosystem.

Axios Hit by Critical Supply Chain Attack
A critical supply chain attack has hit Axios, a popular HTTP client, compromising the integrity of its npm package and raising fresh concerns about the security of our digital infrastructure. Malicious versions of the Axios package were published, injecting a fake dependency that put users at risk.