Stored XSS Vulnerability in Sourcecodester Messaging Web Application
CVE-2021-43633

5.4MEDIUM

Key Information:

Vendor

Messaging Web Application Project

Status
Messaging Web Application
Vendor
CVE Published:
14 April 2022

What is CVE-2021-43633?

The Sourcecodester Messaging Web Application version 1.0 is susceptible to a stored XSS vulnerability. This issue arises when a sender can input valid scripts into the chat functionality, which are then executed in the browser of the recipient. Such a vulnerability can lead to unauthorized script execution, potentially compromising sensitive information and user sessions, and posing serious security risks to users interacting with the application.

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References

https://www.sourcecodester.com/php/14996/messaging-web-ap...
x_refsource_MISC
https://medium.com/%40shaunwhorton/how-i-found-two-differ...
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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