CVE-2025-5939: 
WordPress vulnerability analysis and mitigation

The Telegram for WP plugin for WordPress contains a Stored Cross-Site Scripting vulnerability (CVE-2025-5939) discovered in all versions up to and including 1.6.1. The vulnerability was disclosed on June 12, 2025, affecting the plugin's admin settings functionality (NVD).

The vulnerability stems from insufficient input sanitization and output escaping in the admin settings of the Telegram for WP plugin. It has been assigned a CVSS v3.1 Base Score of 4.4 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (NVD, Wiz).

When exploited, this vulnerability allows authenticated attackers with administrator-level permissions to inject arbitrary web scripts into pages. These malicious scripts will execute whenever a user accesses the affected page. The impact is specifically limited to multi-site installations and installations where unfiltered_html has been disabled (NVD).

As of June 11, 2025, the plugin has been temporarily closed and is not available for download pending a full review. Users are advised to disable the plugin until a security update is available (WordPress).