Vulnerability CVE-2021-43633
Published: 2022-04-14

Description:
Sourcecodester Messaging Web Application 1.0 is vulnerable to stored XSS. If a sender inserts valid scripts into the chat, the script will be executed on the receiver chat.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Messaging web application project -> Messaging web application 

 References:
https://www.sourcecodester.com/php/14996/messaging-web-application-phpoop-free-source-code.html
https://medium.com/@shaunwhorton/how-i-found-two-different-xss-vulnerabilities-a491144e8494
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