PureLogs Variant Steals Data via Purchase Order Lures
FortiGuard Labs detailed a PureLogs campaign using JavaScript, PowerShell and process hollowing
Stay updated on JavaScript security concerns – from vulnerabilities to best practices, keep your web applications safe with our info security tag.
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Background for this topic.
JavaScript is a dynamic programming language commonly used to create interactive effects within web browsers. In the context of information security, JavaScript comes into play in various ways. Primarily, it can be both a tool for developers to enhance user experience and a vector for cyber attacks such as Cross-Site Scripting (XSS), where attackers inject malicious scripts into trusted websites.
JavaScript security concerns also include issues such as code injection, event handling, and document object model (DOM) manipulation, which can potentially expose user data or compromise the integrity of web applications. To mitigate these risks, security professionals must rigorously implement best practices such as input validation, output encoding, and the use of content security policies (CSP). Understanding JavaScript security is crucial for protecting web applications from vulnerabilities and ensuring safe user interactions.
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FortiGuard Labs detailed a PureLogs campaign using JavaScript, PowerShell and process hollowing
Threat actors are exploiting a recently disclosed critical security flaw in Ghost CMS to inject malicious JavaScript code with an aim to fuel ClickFix attacks
A large-scale campaign is exploiting a critical SQL injection vulnerability (CVE-2026-26980) in Ghost CMS to inject malicious JavaScript code that triggers ClickFix attack flows. [...]
A new "coordinated" supply chain attack campaign has impacted eight packages on Packagist including malicious code designed to run a Linux binary retrieved from a GitHub Releases URL
Google has accidentally leaked details about an unfixed issue in Chromium that keeps JavaScript running in the background even when the browser is closed, allowing remote code execution on the device. [...]
The disguised apps use WebView automation, JavaScript injection, and OTP interception to avoid detection and complete fraudulent subscriptions.
A critical security vulnerability impacting the Funnel Builder plugin for WordPress has come under active exploitation in the wild to inject malicious JavaScript code into WooCommerce checkout pages with the goal of stealing payment data
A critical vulnerability in the Funnel Builder plugin for WordPress is being actively exploited to inject malicious JavaScript snippets into WooCommerce checkout pages. [...]
Latest Mini Shai-Hulud Worm Steals Credentials, Includes Wiper, Now Open SourceA new Shai-Hulud variant has infected multiple npm repositories and jumped to other widely used JavaScript and Python packages. Designed to rapidly propagate, the worm steals over 100 different types of credentials and can wipe systems, including if developers try to delete it.
TeamPCP, the threat actor behind the recentsupply chain attack spree, has been linked to the compromise of the npm and PyPI packages from TanStack, UiPath, Mistral AI, OpenSearch, and Guardrails AI as part of a fresh Mini Shai-Hulud campaign
A dozen critical security vulnerabilities have been disclosed in the vm2 Node.js library that could be exploited by bad actors to break out of the sandbox and execute arbitrary code on susceptible systems
Cybersecurity researchers are sounding the alarm about a new supply chain attack campaign targeting SAP-related npm Packages with credential-stealing malware
A critical security vulnerability has been disclosed in a Python-based sandbox called Terrarium that could result in arbitrary code execution
Lightweight LLM-Driven Process Alerted Elastic's Security Team, Says James SpiteriElastic Security Labs quickly spotted the unfolding supply-chain attack that backdoored the popular JavaScript library Axios, thanks to a lightweight, AI-driven tool a researcher created to assess if repository changes looked malicious. Elastic's James Spiteri says further use cases abound.
Formbook attacks use combination of DLL Side-Loading and Obfuscated JavaScript to stay hidden, researchers at WatchGuard have uncovered
Two weeks ago, a suspected North Korean threat actor slipped malicious code into a package within Axios, a widely used JavaScript library. The immediate concern was the blast radius: roughly 100 million weekly downloads spanning enterprises, startups, and government systems. But beyond the sheer scale, the attack’s speed was just as worrisome – a stark […] The post Why the Axios attack proves AI is mandatory for supply chain security appeared first on CyberScoop.
Proof-of-concept exploit code has been published for a critical remote code execution flaw in protobuf.js, a widely used JavaScript implementation of Google's Protocol Buffers. [...]
Cybersecurity researchers have discovered a new campaign in which a cluster of 108 Google Chrome extensions has been found to communicate with the same command-and-control (C2) infrastructure with the goal of collecting user data and enabling browser-level abuse by injecting ads and arbitrary JavaScript code into every web page visited
A new report dubbed "BrowserGate" warns that Microsoft's LinkedIn is using hidden JavaScript scripts on its website to scan visitors' browsers for installed extensions and collect device data. [...]
A new report dubbed "BrowserGate" warns that Microsoft's LinkedIn is using hidden JavaScript scripts on its website to scan visitors' browsers for installed extensions and collect device data. [...]