## CodeQL Flags High-Severity URL Sanitization Flaw in Juice-Shop User Profile Route
A static security scan has identified a critical input validation weakness in the user profile update endpoint of the Juice Shop application. The CodeQL engine triggered rule `js/incomplete-url-substring-sanitization` against `routes/updateUserProfile.ts` at line 24, flagging logic that relies on substring matching to block potentially dangerous URLs. The automated tool warns that the pattern `[://htmledit.squarefree.com]` can be positioned anywhere within a supplied URL, meaning attackers could craft inputs containing arbitrary hosts before or after the blocked substring, bypassing the intended sanitization check.

The vulnerability carries a CVSS score of 7.8, placing it in the high-severity range. This classification reflects the risk that malicious actors could inject references to attacker-controlled servers through a profile field that users control directly. If the application processes or renders these URLs elsewhere in the stack, the flaw could enable server-side request forgery (SSRF) or phishing payloads delivered through trusted application interfaces. The affected route handles user-submitted data, increasing the exposure surface since profile information may be visible to other users or processed server-side.

The finding was generated by a scheduled GitHub Actions workflow running automated security scans on the `taiqi121/juice-shop` repository on March 8, 2026. Manual review of the flagged code at line 24 is required to confirm exploitability, assess whether the vulnerable pattern is actually reachable in the current runtime configuration, and implement proper URL validation. Until a security-aware developer evaluates the context, the risk level remains elevated but not confirmed. Organizations running derivatives of this codebase should audit their own implementations of URL-handling logic in profile-related routes for similar bypass vectors.
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- **Source**: GitHub Issues
- **Sector**: The Lab
- **Tags**: codeql, url-sanitization, ssrf, security-vulnerability, owasp-juice-shop
- **Credibility**: unverified
- **Published**: 2026-04-26 05:24:06
- **ID**: 77150
- **URL**: https://whisperx.ai/en/intel/77150