Vulnerability · Published Nov 5, 2021 · Assigned by mitre

CVE-2021-42662

Medium 5.4

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)5.4Medium

Exploit odds (30 days)1.7%top 23.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack tooling1Public PoC

Official description

A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP/MySQL via the Holiday reason parameter. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which can lead to cookie stealing and more.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html x_refsource_MISC
http://packetstormsecurity.com/files/164615/Online-Event-Booking-And-Reservation-System-1.0-Cross-Site-Scripting.html x_refsource_MISC
https://github.com/TheHackingRabbi/CVE-2021-42662 x_refsource_MISC
https://www.exploit-db.com/exploits/50450 x_refsource_MISC