CVE-2021-42667

Name: CVE-2021-42667
Creator: NVD / NIST
Published: 2021-11-05T13:15:09.013+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 15.81%

Last modified Jun 17, 2026

CVE-2021-42667 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. EPSS estimates a 15.81% chance of exploitation in the next 30 days.

Description

A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. As a result he can extract sensitive data from the web server and in some cases he can use this vulnerability in order to get a remote code execution on the remote web server.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

15.81%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Online Event Booking And Reservation System Project	Online Event Booking And Reservation System	2.3.0

References

https://github.com/TheHackingRabbi/CVE-2021-42667Exploit, Third Party Advisory
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667Exploit, Third Party Advisory
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.htmlProduct, Third Party Advisory
https://github.com/TheHackingRabbi/CVE-2021-42667Exploit, Third Party Advisory
https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-42667Exploit, Third Party Advisory
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.htmlProduct, Third Party Advisory

Timeline

Published: Nov 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42667?

How severe is CVE-2021-42667?

CVE-2021-42667 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 15.81% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42667?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42667?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST