CVE-2021-42663

Public Exploit

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 37.98% Top 5%
Third-Party Advisory github.com Third-Party Advisory sourcecodester.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html third party advisory product
https://github.com/TheHackingRabbi/CVE-2021-42663 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-42663?
CVE-2021-42663 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42663?
To fix CVE-2021-42663, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-42663 being actively exploited in the wild?
It is possible that CVE-2021-42663 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~38% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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