CVE-2021-42663

Katalog CVE

CVSS 4.3 · Medium EPSS 3,9%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada online event booking and reservation system project online event booking and reservation system. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

5 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

4.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

3,9% peluang dieksploitasi; lebih tinggi dari 89,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/TheHackingRabbi/CVE-2021-42663 exploit · advisory pihak ketiga
• https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html product · advisory pihak ketiga