CVE-2025-50251 in plane
Summary
by MITRE • 08/13/2025
Server side request forgery (SSRF) vulnerability in makeplane plane 0.23.1 via the password recovery.
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Analysis
by VulDB Data Team • 08/13/2025
The CVE-2025-50251 vulnerability represents a critical server side request forgery flaw discovered in the makeplane plane version 0.23.1 application. This vulnerability specifically manifests during the password recovery process, creating a dangerous pathway for malicious actors to manipulate server requests. The flaw stems from inadequate input validation and sanitization within the recovery mechanism, allowing attackers to craft malicious requests that can traverse the application's intended boundaries. The vulnerability operates by exploiting the application's trust in user-provided data during authentication recovery workflows, where the system fails to properly verify or restrict external resource access. This particular weakness places the application's backend services at risk of being exploited to access internal systems, databases, or other sensitive resources that should remain isolated from external threats.
The technical implementation of this SSRF vulnerability demonstrates a classic pattern where the application's password recovery endpoint accepts user-controllable parameters without proper validation. Attackers can manipulate these parameters to redirect requests to internal IP addresses, localhost, or other internal services that the application can access. The flaw essentially allows an attacker to make the server perform requests on their behalf to arbitrary destinations, bypassing normal network security controls and access restrictions. The vulnerability's exploitation pathway typically involves crafting specific URL parameters or headers that the application processes without proper sanitization, enabling the server to initiate connections to attacker-controlled or internal targets. This creates a significant risk of information disclosure, lateral movement, and potential compromise of backend infrastructure that the application communicates with during normal operations.
The operational impact of CVE-2025-50251 extends beyond simple data theft, as it provides attackers with a potent vector for reconnaissance and further exploitation within the target environment. Successful exploitation can lead to unauthorized access to internal databases, service endpoints, or configuration files that the application normally has access to but should not expose. The vulnerability can facilitate lateral movement attacks where attackers use the compromised password recovery mechanism to discover and target other systems within the same network segment. Additionally, the flaw may enable attackers to perform port scanning or service enumeration against internal resources, effectively turning the application server into a proxy for attacking other systems. Organizations using makeplane plane 0.23.1 are particularly vulnerable as the flaw exists in a widely used authentication recovery mechanism that is likely to be targeted by automated exploitation tools. This vulnerability aligns with CWE-918 which specifically addresses server side request forgery conditions, and can be mapped to ATT&CK technique T1071.004 for application layer protocol tunneling.
Mitigation strategies for CVE-2025-50251 require immediate attention and comprehensive implementation across affected systems. Organizations should prioritize upgrading to the latest version of makeplane plane where the vulnerability has been patched, as this represents the most effective long-term solution. In the interim, network-level mitigations including firewall rules that restrict outbound connections from the application server to internal resources can help reduce the attack surface. Input validation and sanitization should be strengthened throughout the password recovery process to ensure all user-controllable parameters are properly validated before processing. Implementing a whitelist approach for allowed domains or IP addresses that the application can connect to during recovery operations provides an additional layer of protection. The implementation of proper request origin validation and the use of secure coding practices for handling external requests can significantly reduce the risk of exploitation. Additionally, monitoring and logging of authentication recovery attempts should be enhanced to detect anomalous patterns that may indicate exploitation attempts. Security teams should also conduct thorough network segmentation to limit the potential impact if the vulnerability is successfully exploited, ensuring that even if internal systems are accessed, the damage is contained within specific network zones rather than allowing unrestricted access to the entire infrastructure.