.. / CVE-2021-42663

Exploit for Sourcecodester Online Event Booking and Reservation System 2.3.0 - Cross-Site Scripting (CVE-2021-42663)

Description:

Sourcecodester Online Event Booking and Reservation System 2.3.0 contains a cross-site scripting vulnerability 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, the content of the HTML code of the attacker’s choice displays.

Nuclei Template

View the template here CVE-2021-42663.yaml

Validate with Nuclei

echo "$URL" | nuclei -t ~/nuclei-templates/http/cves/2021/CVE-2021-42663.yaml
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References:

https://nvd.nist.gov/vuln/detail/CVE-2021-42663
https://github.com/SYRTI/POC_to_review
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html
https://github.com/TheHackingRabbi/CVE-2021-42663
https://github.com/0xDeku/CVE-2021-42663