S4E just found a high-severity finding from top 10 tcp port service scan
PlatformPlansPartners
Resources
ToolsBlogDocs
Sign Up →
low·Misconfiguration·Updated Jun 17, 2026

Postiz Open User Registration Scanner

This scanner detects the use of Postiz Open User Registration in digital assets. It checks for exposed registration pages that allow unauthorized public account creation, potentially leading to unauthorized access.

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsurl
CostFree
3k
Times Used
continuous scan runs
6.4k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
Detail

The Postiz platform is a software commonly used for managing communication and content publishing for organizational needs. It helps businesses and community groups streamline their communication processes and manage their content efficiently. The platform is widely deployed across various industries for its flexibility and ease of use. With features like user management and content scheduling, Postiz enhances organizational communication strategies. Due to its versatile nature, businesses often rely on Postiz for both internal and external publishing needs. However, like any other platform, vulnerabilities can impact its secure use, necessitating regular security assessments.

Open User Registration vulnerabilities occur when registration pages are exposed, allowing anyone to create accounts without proper authorization checks. In the case of Postiz, an open registration page permits unrestricted public account creation. This can potentially lead unauthorized users to gain access to the system, risking sensitive data and platform misuse. Such vulnerabilities are common in platforms that leverage user registration features but have inadequate security configurations. Timely detection and mitigation of open registration vulnerabilities are crucial to maintain system integrity. Therefore, regular checks are vital to ensure that the registration process is only accessible to intended users.

The Postiz registration page vulnerability stems from an exposed endpoint that allows public account creation. The vulnerable endpoint is typically located at '/auth' under the BaseURL, where unauthorized users can interact with the platform's account creation features. Key indicators of this vulnerability include specific strings like 'Postiz Register', 'Create Account', and 'Sign Up', which are pertinent to a registration interface. The detection relies on identifying these elements within response bodies and verifying HTTP 200 status, indicating successful access to the registration interface. Successfully securing this endpoint involves restricting access or ensuring proper authorization checks before account creation.

If exploited, an open user registration vulnerability can lead to unauthorized access where malicious actors can create accounts or bots at scale. This unauthorized access potentially impacts platform operations, data integrity, and user experience negatively. Beyond unauthorized account access, attackers might exploit registration interfaces for brute-force attacks or spamming purposes. The overall security hygiene of the platform may degrade if such vulnerabilities are not addressed promptly. Moreover, compromise of user data leading to reputational harm can also result from prolonged exposure without mitigation.

Solution Advice
  • Restrict access to the registration endpoint to authorized individuals only.
  • Implement CAPTCHA or similar technology to prevent automated account creation by bots.
  • Configure registration confirmation methods, such as email verification, to ensure legitimate account creations.
  • Regularly audit registration logs to detect and mitigate unauthorized registration attempts promptly.
  • Update platform configurations to ensure exposure of registration pages is minimized.

Get AI-powered remediation steps tailored to your asset.

Try AI Solutions →

Check your infrastructure.
Right now.

11,000+ scanners. Free to start. No credit card required.