Medium CVSS 6.1

Overview

pdfme is a TypeScript-based PDF generator and React-based UI. The expression evaluation feature in pdfme 5.2.0 to 5.4.0 contains critical vulnerabilities allowing sandbox escape leading to XSS and prototype pollution attacks. This vulnerability is fixed in 5.4.1.

Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 6.1 (MEDIUM)
  • Detected tags: proto_pollution, xss (tag impact: MODERATE)

Recommended actions:

  • Apply context-aware output encoding.
  • Enable Content-Security-Policy and HttpOnly/SameSite cookies.

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