CVE-2021-40909

critical

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.

References

https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/oretnom23/CVE-nu11-10-09102021

Details

Source: Mitre, NVD

Published: 2022-01-24

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.6

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01397