CVE-2021-45822

A cross-site scripting vulnerability is present in Xbtit 3.1. The stored XSS vulnerability occurs because /ajaxchat/sendChatData.php does not properly validate the value of the "n" (POST) parameter. Through this vulnerability, an attacker is capable to execute malicious JavaScript code.

• CWE-79

• https://emaragkos.gr/infosec-adventures/xbtit-3-1-xss-stored-amp-reflected/Exploit, Third Party Advisory
• https://github.com/btiteam/xbtit-3.1Third Party Advisory
• https://github.com/btiteam/xbtit-3.1/issues/7Exploit, Third Party Advisory
• https://emaragkos.gr/infosec-adventures/xbtit-3-1-xss-stored-amp-reflected/Exploit, Third Party Advisory
• https://github.com/btiteam/xbtit-3.1Third Party Advisory
• https://github.com/btiteam/xbtit-3.1/issues/7Exploit, Third Party Advisory

Published

Mar 16, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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