CVE-2023-34006: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Marco Milesi Telegram Bot & Channel WordPress plugin versions 3.6.2 and below. The vulnerability was identified on May 25, 2023, and tracked as CVE-2023-34006. This security issue affects administrators and users with high privileges who have access to the plugin's settings (Patchstack).

The vulnerability stems from improper sanitization and escaping of certain plugin settings. This could allow high-privilege users such as administrators to perform Stored Cross-Site Scripting attacks, even in scenarios where the unfiltered_html capability is disallowed, such as in multisite setups. The vulnerability has been assigned a CVSS v3.1 base score of 4.8 (Medium) by NIST with a vector string of CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N, while Patchstack assigned it a score of 5.9 (Medium) (NVD, WPScan).

The vulnerability could allow malicious actors to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).

The vulnerability has been patched in version 3.6.3 of the Telegram Bot & Channel plugin. Users are advised to update to version 3.6.3 or later to remove the vulnerability. Patchstack users can enable auto-update for vulnerable plugins as an additional security measure (Patchstack).