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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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. [...]
Security community needs to rally and share more info faster, one researcher says Amid new reports of attackers pummeling a maximum security hole (CVE-2025-55182) in the React JavaScript library, Cloudflare's technology chief said his company took down its own network, forcing a widespread outage early Friday, to patch React2Shell.…
Google on Wednesday released security updates for the Chrome web browser to address four vulnerabilities, including one that it said has been exploited in the wild
Google has revealed that a security flaw that was patched as part of a software update rolled out last week to its Chrome browser has come under active exploitation in the wild
Google on Monday shipped emergency fixes to address a new zero-day flaw in the Chrome web browser that has come under active exploitation in the wild