CVE-2021-40909

Public Exploit

Description

Cross site scripting (XSS) vulnerability in sourcecodester PHP CRUD without Refresh/Reload using Ajax and DataTables Tutorial v1 by oretnom23, allows remote attackers to execute arbitrary code via the first_name, last_name, and email parameters to /ajax_crud.

Category

9.6
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.40% Top 25%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-10-09102021 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-40909?
CVE-2021-40909 has been scored as a critical severity vulnerability.
How to fix CVE-2021-40909?
To fix CVE-2021-40909, 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-2021-40909 being actively exploited in the wild?
It is possible that CVE-2021-40909 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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