Content Security Policy is a technology platform tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed December 5, 2025; most recent activity December 5, 2025.
Content Security Policy (CSP) is a web security standard that lets site operators define which sources and behaviors are allowed for a page, enforced via HTTP headers or meta tags. It mitigates risks like cross-site scripting (XSS), data exfiltration, and UI redress by restricting scripts, styles, images, and framing; effectiveness depends on thorough, correct configuration across the site. Misconfigurations or incomplete adoption can leave applications vulnerable, making CSP a key component of defense-in-depth for modern web apps.
A new technique utilizing SVG files has been identified, allowing attackers to create highly interactive clickjacking attacks. This vulnerability poses risks to users by enabling malicious actions through seemingly…