The Simple Ajax Chat WordPress plugin before 20240412 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfilteredhtml capability is disallowed (for example in multisite setup)
Cross-Site Request Forgery (CSRF) in Simple Ajax Chat (WordPress plugin) <= 20220115 allows an attacker to clear the chat log or delete a chat message.
Sensitive Information Disclosure (sac-export.csv) in Simple Ajax Chat (WordPress plugin) <= 20220115
Unauthenticated Stored Cross-Site Scripting (XSS) in Simple Ajax Chat <= 20220115 allows an attacker to store the malicious code. However, the attack requires specific conditions, making it hard to exploit.