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xss

Safeguard articles tagged "xss" — guides, analysis, and best practices for software supply chain and application security.

32 articles

Vulnerabilities

CVE-2019-8331: The Bootstrap XSS Vulnerability, Explained

CVE-2019-8331 let attackers inject script through Bootstrap's tooltip and popover template options, a pattern that recurred across several Bootstrap CVEs before 4.3.1 finally closed it.

May 21, 20244 min read
Vulnerabilities

What Is XSS? Cross-Site Scripting Full Form and Basics

XSS is short for cross-site scripting, a vulnerability that lets attackers run malicious scripts in a victim's browser. Here's how it works, its three main types, and how it's actually caught.

May 14, 20245 min read
Vulnerabilities

jQuery 3.5.1 Vulnerabilities: What Was Actually Fixed

jQuery 3.5.1 closed a second cross-site scripting hole in the htmlPrefilter regex that 3.5.0 had only partially patched — here's exactly what changed and why old jQuery bundles still trip scanners.

Mar 14, 20245 min read
Application Security

React Application Security Guide

Securing React applications from XSS, dependency vulnerabilities, and common frontend attack patterns.

Jan 20, 20245 min read
Vulnerability Analysis

Zimbra Collaboration CVE-2023-37580: XSS Zero-Day Exploited by Four Nation-State Groups

A reflected XSS vulnerability in Zimbra Collaboration was exploited by four distinct threat groups targeting government organizations worldwide. The campaign showed how even 'low severity' bugs enable espionage.

Jul 13, 20235 min read
Code Security

Cross-Site Scripting (XSS) Prevention: Context-Aware Encoding and Modern Defenses

XSS remains a top web vulnerability because output encoding is context-dependent. Here is how to get it right across HTML, JavaScript, URL, and CSS contexts.

Feb 12, 20236 min read
Application Security

Vue.js Security Best Practices

Securing Vue.js applications from template injection, XSS through v-html, and third-party plugin risks.

Jan 8, 20234 min read
Application Security

Angular Application Security Checklist

A practical security checklist for Angular applications covering XSS prevention, dependency management, and secure configuration.

Sep 12, 20224 min read
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