Stored XSS Vulnerability in Vulnerability-Lookup by ABC Corp

CVE-2025-42620

What is CVE-2025-42620?

The vulnerability in Vulnerability-Lookup arises from improper handling of user-generated content within comments and bundles. This flaw allows attackers to store malicious HTML and JavaScript within the application. When other users visit a affected profile page, the crafted payload executes in their browsers due to unsafe processing of Markdown content, leading to potentially grave security breaches. Proper sanitization and validation mechanisms are critically needed to mitigate such vulnerabilities and protect user data and sessions.

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