CVE-2025-34114
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-25

Last updated on: 2025-07-29

Assigner: VulnCheck

Description
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.
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Meta Information
Published
2025-07-25
Last Modified
2025-07-29
Generated
2026-05-07
AI Q&A
2025-07-25
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
openblow openblow *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
CWE-749 The product provides an Applications Programming Interface (API) or similar interface for interaction with external actors, but the interface includes a dangerous method or function that is not properly restricted.
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:

The vulnerability undermines compliance with security standards and regulations by failing to implement recognized security controls. It aligns with OWASP Top 10 A05:2021 (Security Misconfiguration), MITRE CWE-693 (Protection Mechanism Failure), NIST SP 800-53 Rev.5 controls SC-34 and SC-18, and ISO/IEC 27001:2022 clauses related to secure configuration and communication protection. This lack of proper security headers can lead to breaches of data protection requirements under regulations like GDPR and HIPAA by exposing sensitive information and weakening data confidentiality and integrity. [1]


How can this vulnerability be detected on my network or system? Can you suggest some commands?

This vulnerability can be detected by checking if the critical HTTP security headers are missing from the OpenBlow platform's HTTP responses. The headers to check include Content-Security-Policy, Referrer-Policy, Permissions-Policy, Cross-Origin-Embedder-Policy, and Cross-Origin-Resource-Policy. You can use command-line tools like curl to inspect the HTTP response headers. For example, run: curl -I https://your-openblow-instance.com and look for the presence or absence of these headers. Additionally, Google dorking with the query intext:"Powered by OpenBlow" can help identify public instances potentially affected. [1]


What immediate steps should I take to mitigate this vulnerability?

To mitigate this vulnerability immediately, configure your OpenBlow deployments to enforce the following HTTP response headers: Content-Security-Policy with directives like default-src 'self'; script-src 'self'; frame-ancestors 'none'; Referrer-Policy set to no-referrer; Permissions-Policy restricting camera=(), microphone=(), geolocation=(); Cross-Origin-Embedder-Policy set to require-corp; and Cross-Origin-Resource-Policy set to same-origin. Also, ensure all cookies, including those from CDNs or load balancers, have Secure, HttpOnly, and SameSite=Strict flags set. Avoid relying on CSP via HTML <meta> tags as it is ineffective. [1]


Can you explain this vulnerability to me?

This vulnerability in the OpenBlow whistleblowing platform is due to missing critical HTTP security headers such as Content-Security-Policy, Referrer-Policy, Permissions-Policy, Cross-Origin-Embedder-Policy, and Cross-Origin-Resource-Policy. Without these headers, browser-level protections are weakened, exposing users to risks like cross-site scripting (XSS), clickjacking, referer leakage, unauthorized access to device APIs, and cross-origin data leaks. Attempts to enforce Content-Security-Policy via HTML meta tags are ineffective because modern browsers rely on HTTP headers for proper enforcement. [1]


How can this vulnerability impact me? :

The vulnerability can lead to serious security issues including cross-site scripting attacks, clickjacking, leakage of sensitive URL information through referer headers, unauthorized access to device features like camera and microphone, and cross-origin data leakage. These impacts can compromise user confidentiality, integrity, and availability of the whistleblowing platform, potentially exposing sensitive and politically sensitive disclosures. [1]


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