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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 97%
VendorProductVersion
online_event_booking_and_reservation_system_projectonline_event_booking_and_reservation_system
2.3.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/TheHackingRabbi/CVE-2021-42663
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html
https://github.com/TheHackingRabbi/CVE-2021-42663
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html