Vulnerability Details : CVE-2021-42663
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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-42663
- Online Event Booking And Reservation System Project » Online Event Booking And Reservation System » Version: 2.3.0cpe:2.3:a:online_event_booking_and_reservation_system_project:online_event_booking_and_reservation_system:2.3.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42663
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42663
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-42663
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42663
-
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html
Online Event Booking and Reservation System in PHP/MySQLi with Free Source Code | Free Source Code, Projects & TutorialsProduct;Third Party Advisory
-
https://github.com/TheHackingRabbi/CVE-2021-42663
GitHub - TheHackingRabbi/CVE-2021-42663: CVE-2021-42663 - HTML Injection vulnerability in the Online event booking and reservation system.Exploit;Third Party Advisory
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