CVSS 3.1
4.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NCVE-2021-42663
Medium (4.3) in online event booking and reservation system project online event booking and reservation system. EPSS 3.9% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- online_event_booking_and_reservation_system_project:online_event_booking_and_reservation_system