Vulnerability Details CVE-2021-20280
Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 75.3%
CVSS Severity
CVSS v3 Score 5.4
CVSS v2 Score 3.5
Products affected by CVE-2021-20280
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cpe:2.3:a:moodle:moodle:3.10.0
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cpe:2.3:a:moodle:moodle:3.10.1
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cpe:2.3:a:moodle:moodle:3.5.0
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cpe:2.3:a:moodle:moodle:3.5.1
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cpe:2.3:a:moodle:moodle:3.5.10
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cpe:2.3:a:moodle:moodle:3.5.11
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cpe:2.3:a:moodle:moodle:3.5.12
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cpe:2.3:a:moodle:moodle:3.5.13
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cpe:2.3:a:moodle:moodle:3.5.14
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cpe:2.3:a:moodle:moodle:3.5.15
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cpe:2.3:a:moodle:moodle:3.5.16
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cpe:2.3:a:moodle:moodle:3.5.2
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cpe:2.3:a:moodle:moodle:3.5.3
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cpe:2.3:a:moodle:moodle:3.5.4
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cpe:2.3:a:moodle:moodle:3.5.5
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cpe:2.3:a:moodle:moodle:3.5.6
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cpe:2.3:a:moodle:moodle:3.5.7
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cpe:2.3:a:moodle:moodle:3.5.8
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cpe:2.3:a:moodle:moodle:3.5.9
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cpe:2.3:a:moodle:moodle:3.8.0
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cpe:2.3:a:moodle:moodle:3.8.1
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cpe:2.3:a:moodle:moodle:3.8.2
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cpe:2.3:a:moodle:moodle:3.8.3
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cpe:2.3:a:moodle:moodle:3.8.4
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cpe:2.3:a:moodle:moodle:3.8.5
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cpe:2.3:a:moodle:moodle:3.8.6
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cpe:2.3:a:moodle:moodle:3.8.7
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cpe:2.3:a:moodle:moodle:3.9.0
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cpe:2.3:a:moodle:moodle:3.9.1
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cpe:2.3:a:moodle:moodle:3.9.2
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cpe:2.3:a:moodle:moodle:3.9.3
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cpe:2.3:a:moodle:moodle:3.9.4
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cpe:2.3:o:fedoraproject:fedora:32
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cpe:2.3:o:fedoraproject:fedora:33
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cpe:2.3:o:fedoraproject:fedora:34