Describe the bug
An authenticated malicious user can take advantage of a Stored XSS vulnerability in the "Bounce rules" feature.
To Reproduce
Steps to reproduce the behavior:
Log into the panel.
Go to "/admin/?page=bouncerules&type=active&tk=1af246c882c1c6096773c52216860b64"
Click "rule1" edit infomation rule1.
Insert payload:
'-alert(document.domain)-'
Click "Save Changes"
View the preview to trigger XSS.
View the preview to get in request and such Stored XSS.
Expected behavior
The removal of script tags is not sufficient to prevent an XSS attack. You must HTML Entity encode any output that is stored back to the page.
Impact
Commonly include transmitting private data, like cookies or other session information, to the attacker, redirecting the victim to web content controlled by the attacker, or performing other malicious operations on the user’s machine under the guise of the vulnerable site.
Screenshots
Insert payload
Trigger XSS
Desktop (please complete the following information):
OS: Ubuntu
Browser: Firefox
Version: 76.0.1
The text was updated successfully, but these errors were encountered:
Describe the bug
An authenticated malicious user can take advantage of a Stored XSS vulnerability in the "Bounce rules" feature.
To Reproduce
Steps to reproduce the behavior:
'-alert(document.domain)-'
Expected behavior
The removal of script tags is not sufficient to prevent an XSS attack. You must HTML Entity encode any output that is stored back to the page.
Impact
Commonly include transmitting private data, like cookies or other session information, to the attacker, redirecting the victim to web content controlled by the attacker, or performing other malicious operations on the user’s machine under the guise of the vulnerable site.
Screenshots




Insert payload
Trigger XSS
Desktop (please complete the following information):
The text was updated successfully, but these errors were encountered: