CVE-2021-42663

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-79

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Nov 5, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-42663: Medium severity, CVSS 4.3 | Vulnix