Vulnerability Details CVE-2021-34644
The Multiplayer Games WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/multiplayergames.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 3.7.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.6%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References
- https://plugins.trac.wordpress.org/browser/multiplayer-plugin/trunk/multiplayergames.php#L662
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34644
- https://plugins.trac.wordpress.org/browser/multiplayer-plugin/trunk/multiplayergames.php#L662
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34644
Products affected by CVE-2021-34644
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:-
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:2.0
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:2.0.1
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:2.0.2
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:2.0.3
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:2.0.4
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:2.0.5
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:2.0.6
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:2.1.0
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:3.0
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:3.1
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:3.2
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:3.3
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:3.4
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:3.5
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:3.6
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cpe:2.3:a:multiplayer-plugin_project:multiplayer-plugin:3.7