CVE-2026-57747 in Booked Plugin
Summary
by MITRE • 07/02/2026
Unauthenticated Cross Site Request Forgery (CSRF) in Booked <= 3.0.0 versions.
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Analysis
by VulDB Data Team • 07/02/2026
Cross site request forgery vulnerabilities represent one of the most prevalent and dangerous web application security flaws, particularly when they affect core administrative functionalities within booking systems. The identified vulnerability in Booked versions 3.0.0 and earlier constitutes a critical unauthenticated csrf flaw that allows attackers to execute arbitrary actions without requiring valid user credentials or session tokens. This vulnerability falls under CWE-352, which specifically categorizes cross site request forgery as a weakness where the application fails to validate that requests originate from legitimate sources. The flaw enables malicious actors to manipulate the application's behavior through crafted requests that appear to come from authenticated users, potentially leading to unauthorized modifications of bookings, user accounts, or system configurations.
The technical implementation of this csrf vulnerability stems from insufficient validation mechanisms within the application's request processing pipeline. In Booked versions up to 3.0.0, the system fails to properly verify the origin of incoming requests or maintain proper anti-csrf tokens for critical operations. Attackers can leverage this weakness by crafting malicious web pages or email attachments that automatically submit requests to the vulnerable application when a user visits the page or opens the attachment. The vulnerability operates through standard csrf attack vectors where the attacker creates a request that, when executed by an authenticated user's browser, performs unintended actions on the target system. This particular flaw affects the application's authentication and authorization mechanisms, allowing unauthorized modifications to booking data without proper verification of the user's intent.
The operational impact of this vulnerability extends beyond simple data manipulation, potentially compromising entire booking systems and exposing sensitive user information. An attacker could exploit this weakness to cancel bookings, modify reservation details, create fraudulent reservations, or even gain access to administrative functions if the application lacks proper input validation. The unauthenticated nature of this csrf attack means that any user who visits a malicious page could inadvertently trigger unauthorized actions against the vulnerable system. This poses significant risks for businesses relying on Booked for critical operations such as hotel reservations, conference room scheduling, or resource management where unauthorized modifications could result in financial loss, operational disruption, or privacy violations.
Security practitioners should consider this vulnerability within the context of the ATT&CK framework's privilege escalation and persistence tactics, as csrf attacks often represent initial access vectors that can lead to more sophisticated compromises. Mitigation strategies must include implementing robust anti-csrf token mechanisms throughout all critical application endpoints, particularly those handling booking modifications, user account changes, or administrative functions. Organizations should enforce proper request origin validation, implement same-site cookies, and ensure that all state-changing operations require explicit user confirmation through multi-factor authentication where appropriate. Additionally, regular security assessments should verify that csrf protections are properly implemented across all web application interfaces and that proper input sanitization prevents attackers from bypassing these controls. The vulnerability highlights the importance of maintaining current software versions and implementing comprehensive security measures that align with industry standards such as those outlined in the OWASP Top Ten project.