Description

Missing Authorization vulnerability in Crocoblock JetPopup allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects JetPopup: from n/a through 2.0.20.2.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.3",
  "pubDate": "2026-09-04T11:17:18.053Z",
  "pubdate": "2026-09-04T11:17:18.053Z",
  "executiveSummary": "This vulnerability involves a critical Missing Authorization flaw within the Crocoblock JetPopup plugin, affecting all versions from n/a through 2.0.20.2.\nThe vulnerability originates from incorrectly configured access control security levels, allowing unauthorized actors to perform actions reserved for higher-privileged users.\nThe primary impact involves the potential for unauthorized data manipulation or administrative actions without requiring valid authentication.\nThe flaw exposes affected WordPress sites to elevated risks of configuration tampering or unauthorized access to sensitive plugin functionality.\nExploitation does not inherently require complex interaction, as the lack of proper authorization checks on sensitive functions allows an attacker to invoke restricted methods directly.\nThe risk implication is significant for organizations relying on JetPopup, as it undermines the plugin's internal security perimeter and bypasses established role-based access control (RBAC) mechanisms.",
  "technicalDetails": "The root cause of this vulnerability is the failure of the JetPopup plugin to perform adequate server-side authorization checks on specific entry points and API endpoints.\nBy neglecting to validate the current user's session and privilege level against the requested action, the plugin allows unauthenticated or low-privileged attackers to interact with functions intended solely for administrators or authorized users.\nThe vulnerability manifests as a breakdown in the secure implementation of the plugin's access control security levels. In a standard secure implementation, sensitive server-side methods should invoke WordPress's current_user_can() function or equivalent capability checks to ensure the requesting user possesses the necessary administrative rights.\nIn this instance, the vulnerable component fails to enforce these checks, effectively creating an open path for exploitation.\nThe attack flow proceeds as follows: An attacker identifies the exposed endpoint or function that lacks authorization logic. Through crafted HTTP requests—typically GET or POST requests directed at the plugin's internal handling methods—the attacker triggers the execution of restricted plugin operations.\nBecause the system performs no verification of the requester's identity or authorization status, the backend processes the request as a legitimate command. This bypasses the security layer that should have prevented unauthorized interaction with the plugin's core configuration and settings.\nThe exploitation is primarily network-based, occurring over HTTP or HTTPS depending on the target environment's configuration. No specialized client-side scripts are strictly required, as the vulnerability resides within the server-side implementation of the plugin.\nThe post-exploitation impact includes the potential to alter popup configurations, modify display settings, or engage in other administrative actions exposed by the affected code. This effectively elevates the attacker's capabilities within the context of the WordPress installation, enabling them to bypass traditional authentication barriers and manipulate site-specific marketing or content features controlled by the JetPopup plugin.\nThis vulnerability highlights a failure in input and request validation patterns, specifically the absence of security nonces or capability verification tokens which are standard in modern WordPress development."
}