CVE-2025-34114

Summary

A client-side security misconfiguration vulnerability exists in OpenBlow whistleblowing platform across multiple versions and default deployments, due to the absence of critical HTTP response headers including Content-Security-Policy, Referrer-Policy, Permissions-Policy, Cross-Origin-Embedder-Policy, and Cross-Origin-Resource-Policy. This omission weakens browser-level defenses and exposes users to cross-site scripting (XSS), clickjacking, and referer leakage. Although some instances attempt to enforce CSP via HTML <meta> tags, this method is ineffective, as modern browsers rely on header-based enforcement to reliably block inline scripts and untrusted resources.

Affected Software

Weaknesses

• CWE-749: CWE-749 Exposed Dangerous Method or Function
• CWE-94: CWE-94 Improper Control of Generation of Code ('Code Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://seclists.org/fulldisclosure/2025/Jul/13

References

• https://seclists.org/fulldisclosure/2025/Jul/13
• https://www.openblow.it
• https://www.vulncheck.com/advisories/openblow-missing-critical-security-headers

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