{"url":"http://public2.vulnerablecode.io/api/packages/35510?format=json","purl":"pkg:npm/%40angular/common@20.0.0-next.0","type":"npm","namespace":"@angular","name":"common","version":"20.0.0-next.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"20.3.14","latest_non_vulnerable_version":"21.0.1","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/94708?format=json","vulnerability_id":"VCID-zqvk-tagn-vbhj","summary":"Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to versions 19.2.16, 20.3.14, and 21.0.1, there is a XSRF token leakage via protocol-relative URLs in angular HTTP clients. The vulnerability is a Credential Leak by App Logic that leads to the unauthorized disclosure of the Cross-Site Request Forgery (XSRF) token to an attacker-controlled domain. Angular's HttpClient has a built-in XSRF protection mechanism that works by checking if a request URL starts with a protocol (http:// or https://) to determine if it is cross-origin. If the URL starts with protocol-relative URL (//), it is incorrectly treated as a same-origin request, and the XSRF token is automatically added to the X-XSRF-TOKEN header. This issue has been patched in versions 19.2.16, 20.3.14, and 21.0.1. A workaround for this issue involves avoiding using protocol-relative URLs (URLs starting with //) in HttpClient requests. All backend communication URLs should be hardcoded as relative paths (starting with a single /) or fully qualified, trusted absolute 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