Description
Legality WHISTLEBLOWING by DigitalPA contains a protection mechanism failure in which critical HTTP security headers are not emitted by default. Affected deployments omit Content-Security-Policy, Referrer-Policy, Permissions-Policy, Cross-Origin-Embedder-Policy, Cross-Origin-Opener-Policy, and Cross-Origin-Resource-Policy (with CSP delivered via HTML meta elements being inadequate). The absence of these headers weakens browser-side defenses and increases exposure to client-side attacks such as cross-site scripting, clickjacking, referer leakage, and cross-origin data disclosure.
Problem types
CWE-693: Protection Mechanism Failure
Product status
Any version
Credits
Aerith Gainsborough
References
seclists.org/fulldisclosure/2025/Dec/0
www.digitalpa.net/en/whistleblowing-software-features/
www.vulncheck.com/...-missing-critical-http-security-headers