CVE-2021-42663 — MEDIUM (4.3)

Vulnerability Description

An HTML injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP/MySQL via the msg parameter to /event-management/index.php. An attacker can leverage this vulnerability in order to change the visibility of the website. Once the target user clicks on a given link he will display the content of the HTML code of the attacker's choice.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

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

Related Weaknesses (CWE)

CWE-79

References

https://github.com/TheHackingRabbi/CVE-2021-42663ExploitThird Party Advisory
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-syProductThird Party Advisory
https://github.com/TheHackingRabbi/CVE-2021-42663ExploitThird Party Advisory
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-syProductThird Party Advisory

FAQ

What is CVE-2021-42663?

CVE-2021-42663 is a vulnerability with a CVSS score of 4.3 (MEDIUM). An HTML injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP/MySQL via the msg parameter to /event-management/index.php. An attacker can leverage this vu...

How severe is CVE-2021-42663?

CVE-2021-42663 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42663?

Check the references section above for vendor advisories and patch information. Affected products include: Online Event Booking And Reservation System Project Online Event Booking And Reservation System.