CVE-2021-45822

Public Exploit

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.29%
Third-Party Advisory emaragkos.gr Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/btiteam/xbtit-3.1 third party advisory
https://emaragkos.gr/infosec-adventures/xbtit-3-1-xss-stored-amp-reflected/ third party advisory exploit
https://github.com/btiteam/xbtit-3.1/issues/7 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-45822?
CVE-2021-45822 has been scored as a medium severity vulnerability.
How to fix CVE-2021-45822?
To fix CVE-2021-45822, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45822 being actively exploited in the wild?
It is possible that CVE-2021-45822 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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