CVE-2026-65466 in JetBooking Plugin
Summary
by MITRE • 07/23/2026
Custom role Server Side Request Forgery (SSRF) in JetBooking <= 4.1.2 versions.
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Analysis
by VulDB Data Team • 07/23/2026
This vulnerability exists within the JetBooking plugin for WordPress systems where custom roles can be configured to perform server side request forgery attacks. The flaw allows authenticated users with specific custom roles to manipulate internal server requests through crafted API calls or form submissions that bypass normal access controls. The vulnerability stems from insufficient input validation and sanitization of user-provided parameters that are subsequently used in server-side HTTP requests without proper authorization checks. This creates a pathway for attackers to make unauthorized requests to internal services, potentially exposing sensitive information or compromising internal infrastructure. The issue is particularly concerning because it leverages the trust relationship between the web application and internal systems, allowing an attacker to abuse legitimate authentication mechanisms.
The technical implementation of this SSRF vulnerability occurs when custom role users submit data that gets processed by functions handling external API communications or internal service calls. Without proper validation of destination URLs or request parameters, malicious inputs can redirect requests to internal IP addresses or services that should normally be inaccessible from the public internet. This typically manifests through parameter manipulation in form fields, API endpoints, or configuration settings where user input directly influences the target of HTTP requests. The vulnerability is classified under CWE-918 as Server-Side Request Forgery, which specifically addresses the issue of unauthorized requests being made on behalf of a server. Attackers can potentially leverage this weakness to enumerate internal services, access sensitive data, or even escalate privileges within the network.
The operational impact of this vulnerability extends beyond simple information disclosure, as it enables attackers to pivot through internal networks and potentially compromise additional systems. An attacker with a custom role account could use this SSRF flaw to scan internal network ranges, access internal APIs that contain confidential data, or even exploit other vulnerabilities in internal services that are not exposed to the internet. This creates a significant risk for organizations using JetBooking where administrative privileges might be distributed among multiple users through custom roles. The attack surface expands particularly when considering that many internal services may not have proper authentication or authorization mechanisms, making them accessible once the initial SSRF attack is successful. According to ATT&CK framework, this vulnerability maps to T1190 - Proxying and T1046 - Network Service Scanning, which describes how adversaries can use compromised systems to explore network topology and access internal resources.
Mitigation strategies for this SSRF vulnerability should focus on implementing strict input validation and sanitization mechanisms that prevent user-controllable parameters from influencing destination URLs. Organizations should enforce a whitelist approach for allowed domains or IP addresses when making external requests, ensuring that only pre-approved destinations can be accessed. The plugin should implement proper authorization checks to verify that custom role users cannot make arbitrary requests to internal services. Additionally, network segmentation and firewall rules should be configured to prevent internal service access from web applications where such access is not legitimately required. Security headers and application-level controls should be implemented to prevent the exploitation of this vulnerability through common attack vectors like URL manipulation or parameter injection techniques. Regular security audits and code reviews specifically focused on server-side request handling functions are essential to identify and remediate similar vulnerabilities in other components of the system.