CVE-2026-112836 in VikRentCar Plugin
Summary
by MITRE • 10/20/2026
Cross-Site Request Forgery (CSRF) vulnerability in e4jvikwp VikRentCar vikrentcar allows Cross Site Request Forgery.This issue affects VikRentCar: from n/a through 1.4.8.
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Analysis
by VulDB Data Team • 10/20/2026
The identified security flaw represents a classic Cross-Site Request Forgery, commonly abbreviated as CSRF or XSRF, within the VikRentCar application developed by e4jvikwp. This vulnerability specifically impacts versions ranging from non-existent initial releases up through version 1.4.8, indicating that older deployments and potentially some currently active instances remain susceptible to exploitation if not properly patched or mitigated. The core of this issue lies in the web application's failure to adequately verify the origin of incoming HTTP requests when performing state-changing operations. In a typical web architecture, browsers automatically attach session cookies to every request made by an authenticated user, including those initiated by third-party sites via hidden forms or script tags. If the server relies solely on these cookies for authentication without implementing additional validation mechanisms such as anti-CSRF tokens, it cannot distinguish between a legitimate action requested by the user and a maliciously forged request crafted by an attacker.
From a technical perspective, this vulnerability stems from insufficient input validation regarding the source of requests that modify application state. When a victim with an active session visits a malicious website or clicks on a deceptive link, their browser may automatically send authenticated requests to VikRentCar without any explicit user consent for those specific actions. Because the server accepts these requests based solely on the presence of valid authentication credentials stored in cookies, it processes commands such as modifying rental bookings, changing account details, or processing payments under the assumption that they originated from a legitimate interaction within the application interface. This lack of synchronization between client-side state and server-side validation allows attackers to trick users into executing actions they did not intend to perform, effectively bypassing standard access controls through social engineering combined with automated request manipulation.
The operational impact of this vulnerability can be severe depending on the privileges held by the targeted user account. For a rental car management system like VikRentCar, an attacker could potentially alter existing reservations, cancel bookings made by other customers, or modify payment information associated with accounts they do not own. In scenarios where administrative functions are accessible through endpoints vulnerable to CSRF, the consequences escalate significantly, allowing for complete compromise of the application's integrity and data confidentiality. Attackers might also use this vector to deface content, spam users via email features integrated into the platform, or chain this vulnerability with other issues such as stored cross-site scripting to achieve more complex attack vectors. The trust relationship between the user's browser and the web server is exploited, leading to unauthorized state changes that can result in financial loss, reputational damage for the service provider, and potential regulatory non-compliance regarding data protection standards.
To mitigate this vulnerability, developers must implement robust anti-CSRF measures across all endpoints that perform state-changing operations. The most effective approach involves generating unique, unpredictable per-session tokens that are embedded in HTML forms or included as custom HTTP headers in AJAX requests. These tokens should be validated on the server side before processing any request, ensuring that each action is explicitly authorized by the user and originates from a legitimate page within the application. Additionally, implementing strict SameSite cookie attributes can prevent browsers from sending cookies with cross-site requests, thereby reducing the attack surface significantly. It is also advisable to enforce re-authentication for sensitive operations such as changing passwords or payment details, requiring users to log in again before executing high-risk actions. Organizations should prioritize updating VikRentCar to a version beyond 1.4.8 where these issues have been addressed by the vendor, while simultaneously auditing their deployment configurations to ensure no legacy instances remain exposed without adequate compensating controls such as Web Application Firewalls configured to detect and block anomalous request patterns consistent with CSRF attacks.