What’s Vulnerable › Vulnerabilities

CVE-2021-45821

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-16 · updated 2026-06-17
• Weakness: CWE-89

Description

A blind SQL injection vulnerability exists in Xbtit 3.1 via the sid parameter in ajaxchat/getHistoryChatData.php file that is accessible by a registered user. As a result, a malicious user can extract sensitive data such as usernames and passwords and in some cases use this vulnerability in order to get a remote code execution on the remote web server.

Affected products

• Btiteam Xbtit: 3.1

References

• https://emaragkos.gr/infosec-adventures/xbtit-3-1-sql-njection/
• https://github.com/btiteam/xbtit-3.1/blob/master/ajaxchat/getHistoryChatData.php
• https://github.com/btiteam/xbtit-3.1/issues/6
• https://emaragkos.gr/infosec-adventures/xbtit-3-1-sql-njection/
• https://github.com/btiteam/xbtit-3.1/blob/master/ajaxchat/getHistoryChatData.php
• https://github.com/btiteam/xbtit-3.1/issues/6

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