Description

Unauthenticated Broken Access Control in The7 <= 14.2.2 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "7.5",
  "pubDate": "2026-10-06T09:17:56.660Z",
  "pubdate": "2026-10-06T09:17:56.660Z",
  "executiveSummary": "The7 theme versions 14.2.2 and below contain a critical Broken Access Control vulnerability that allows unauthenticated remote attackers to bypass security restrictions.\nThis vulnerability exists due to inadequate authorization checks within the theme's core functionality, enabling unauthorized users to perform restricted actions without valid credentials.\nThe impact includes potential unauthorized data access, modification of site settings, or the execution of administrative functions that should be restricted to privileged roles.\nAs an unauthenticated vulnerability, no prior login is required, significantly lowering the barrier for exploitation.\nThis flaw poses a severe risk to the integrity and confidentiality of WordPress installations utilizing the affected versions of The7.\nOrganizations are advised to prioritize security updates to remediate this flaw and mitigate the risk of unauthorized administrative access.",
  "technicalDetails": "The vulnerability stems from an improper implementation of access control mechanisms within the The7 theme codebase. Specifically, critical functions intended for administrative use fail to verify the session or privilege level of the request initiator, allowing unauthenticated requests to bypass standard security filters.\nIn the context of the WordPress ecosystem, themes and plugins must utilize built-in security hooks and validation functions—such as check_ajax_referer() or current_user_can()—to ensure that requests are originated by authorized administrative users. The7 fails to consistently apply these checks across its internal API or modular components responsible for handling state-changing requests.\nThe attack flow begins with an unauthenticated actor identifying a publicly accessible endpoint or AJAX action within the theme. By crafting a specifically formatted HTTP request (typically POST) directed at the vulnerable component, an attacker can invoke internal functions that were intended only for authenticated administrators.\nBecause the theme lacks server-side verification of user identity, the backend processes the request as if it were submitted by a trusted user. This lack of validation effectively allows the attacker to manipulate theme configurations, modify site data, or perform other administrative tasks allowed by the exposed function.\nThe scope of exploitation is strictly dependent on the functionality exposed by the vulnerable endpoints. If the endpoint permits database operations or file modifications, the impact is escalated to full site compromise. Even in restricted scenarios, unauthorized access to sensitive theme configuration options can lead to further exploitation, such as cross-site scripting (XSS) via injected scripts in theme settings or site defacement.\nThis issue is present in The7 up to version 14.2.2. The vulnerability is network-exposed, as the theme components are reachable through standard web server requests directed at the WordPress environment. Post-exploitation, attackers may gain persistence, modify administrative settings to facilitate further attacks, or exfiltrate configuration data containing sensitive site information."
}