CVE-2021-40909 is a critical cross-site scripting (XSS) vulnerability found in oretnom23's PHP CRUD without Refresh/Reload using Ajax and DataTables Tutorial v1. This flaw allows unauthenticated remote attackers to execute arbitrary code by injecting malicious scripts into the first_name, last_name, and email parameters within the /ajax_crud endpoint. With a CVSS score of 9.6, this vulnerability poses a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. Currently, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0CPE matchmatch criteria | cpe:2.3:a:php_crud_without_refresh\/reload_using_ajax_and_datatables_tutorial_project:php_crud_without_refresh\/reload_using_ajax_and_datatables_tutorial:1.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.
Remediation records are not available for this CVE.