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CVE-2021-42663

Published: Nov 5, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-79
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
3.8%
Top 11.4%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

n/an/a
online event booking and reservation systemonline event booking and reservation system project
SaaS
Enterprise Software / collaboration-groupware
Sourcecodester Online Event Booking and Reservation SystemCASAP Automated Enrollment System Project
online event booking and reservation system projectEnterprise Software

Attack Graph

Products CVE Techniques Tactics

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Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html
sourcecodester.com
https://github.com/TheHackingRabbi/CVE-2021-42663
github.com
https://github.com/TheHackingRabbi/CVE-2021-42663
github.com
and 2 more references View all →

Timeline

Published
Nov 5, 2021
Last Updated
Nov 21, 2024

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