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CVE-2021-42662

MEDIUM
5.4
CVSS Score
Published: November 5, 2021 at 10:21 AM UTC
Updated: June 17, 2026 at 04:09 AM UTC
1 product affected across 1 vendorOnline Event Booking and Reservation System

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Severity
MEDIUM5.4
Exploit prediction
EPSS 2%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/164615/Online-Event-Booking-And-Reservation-System-1.0-Cross-Site-Scripting.html
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/TheHackingRabbi/CVE-2021-42662
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.exploit-db.com/exploits/50450
x_refsource_MISCProductThird Party Advisory
Source: [email protected]
https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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