Vulnerability Details CVE-2021-24604
The Availability Calendar WordPress plugin before 1.2.2 does not sanitise or escape its Category Names before outputting them in page/post where the associated shortcode is embed, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 45.2%
CVSS Severity
CVSS v3 Score 4.8
CVSS v2 Score 3.5
References
Products affected by CVE-2021-24604
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.0
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.1
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.2
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.3
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.4
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.5
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.6
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.7
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.8
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.1.9
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.2
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cpe:2.3:a:offshorewebmaster:availability_calendar:1.2.1