The Author Box, Guest Author and Co-Authors for Your Posts – Molongui plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.7.4 via the 'ma_debu' parameter. This makes it possible for unauthenticated attackers to extract sensitive data including post author emails and names if applicable.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Molongui Author Box, Guest Author and Co-Authors for Your Posts – Molongui allows Stored XSS.This issue affects Author Box, Guest Author and Co-Authors for Your Posts – Molongui: from n/a through 4.6.19.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Molongui Author Box for Authors, Co-Authors, Multiple Authors and Guest Authors – Molongui plugin <= 4.6.19 versions.