CVE-2026-107419 in AI Translation for Polylang Plugin
Summary
by MITRE • 10/09/2026
Missing Authorization vulnerability in Cool Plugins AI Translation for Polylang automatic-translations-for-polylang allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects AI Translation for Polylang: from n/a through 1.6.2.
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Analysis
by VulDB Data Team • 10/09/2026
The identified security flaw resides within the AI Translation for Polylang plugin, specifically affecting versions ranging from the initial release up to version 1.6.2. This vulnerability is classified as a Missing Authorization issue, which fundamentally represents an Incorrectly Configured Access Control Security Level. In web application architecture, authorization mechanisms are responsible for verifying whether an authenticated user has permission to perform specific actions or access particular resources. When this control is missing or improperly implemented, the system fails to enforce appropriate restrictions on unauthenticated or lower-privileged users, allowing them to execute functions that should be restricted to administrators or authorized personnel only.
Technically, this flaw implies that the plugin does not adequately validate user capabilities before processing requests related to translation management features. An attacker can exploit this gap by crafting specific HTTP requests that target internal endpoints or administrative functionalities without providing valid authentication tokens or session cookies. Because the server-side logic fails to check if the requester possesses the necessary privileges, it processes these unauthorized commands as legitimate operations. This type of vulnerability is commonly associated with CWE-269, which covers Improper Privilege Management, and often falls under the broader category of Broken Access Control (CWE-862). In terms of offensive security frameworks such as MITRE ATT&CK, this behavior aligns with techniques involving unauthorized access to restricted areas or privilege escalation through misconfigured permissions.
The operational impact of this vulnerability is significant for any WordPress site utilizing this plugin. Since the affected functionality likely involves managing translations and potentially accessing sensitive content configuration settings, an attacker could gain unintended control over translation data. This may lead to the modification, deletion, or exfiltration of multilingual website content without authorization. Furthermore, depending on how the underlying API endpoints are structured, such access controls might extend beyond simple content manipulation to include potential interactions with other plugin features that rely on similar permission checks. The lack of proper verification means that any user who can reach the vulnerable endpoint, including anonymous visitors or low-level subscribers, could potentially disrupt site operations or compromise data integrity.
To mitigate this risk, immediate action is required for all systems running versions 1.6.2 and below of AI Translation for Polylang. The primary remediation step is to upgrade the plugin to a version where the authorization checks have been properly implemented by the developers. If an update is not immediately available or feasible due to compatibility constraints, administrators should consider disabling the specific features that expose these endpoints until they can be patched. Additionally, implementing Web Application Firewall rules that monitor for anomalous request patterns targeting translation-related URLs can provide a layer of defense in depth. Regular security audits and penetration testing are recommended to ensure that access control mechanisms remain robust against evolving threats.