Vulnerability Details CVE-2021-23838
An issue was discovered in flatCore before 2.0.0 build 139. A reflected XSS vulnerability was identified in the media_filter HTTP request body parameter for the acp interface. The affected parameter accepts malicious client-side script without proper input sanitization. For example, a malicious user can leverage this vulnerability to steal cookies from a victim user and perform a session-hijacking attack, which may then lead to unauthorized access to the site.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 55.9%
CVSS Severity
CVSS v3 Score 4.8
CVSS v2 Score 3.5
References
- http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html
- https://github.com/flatCore/flatCore-CMS
- https://sec-consult.com/vulnerability-lab/
- http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html
- https://github.com/flatCore/flatCore-CMS
- https://sec-consult.com/vulnerability-lab/
Products affected by CVE-2021-23838
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cpe:2.3:a:flatcore:flatcore:-
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cpe:2.3:a:flatcore:flatcore:1.0
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cpe:2.3:a:flatcore:flatcore:1.1
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cpe:2.3:a:flatcore:flatcore:1.1.1
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cpe:2.3:a:flatcore:flatcore:1.3
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cpe:2.3:a:flatcore:flatcore:1.4
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cpe:2.3:a:flatcore:flatcore:1.4.5
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cpe:2.3:a:flatcore:flatcore:1.4.6
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cpe:2.3:a:flatcore:flatcore:1.4.7
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cpe:2.3:a:flatcore:flatcore:1.4.7.4
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cpe:2.3:a:flatcore:flatcore:1.5
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cpe:2.3:a:flatcore:flatcore:1.5.4
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cpe:2.3:a:flatcore:flatcore:1.5.5
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cpe:2.3:a:flatcore:flatcore:1.5.7
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cpe:2.3:a:flatcore:flatcore:2.0.0