Vulnerability Details CVE-2020-15138
Prism is vulnerable to Cross-Site Scripting. The easing preview of the Previewers plugin has an XSS vulnerability that allows attackers to execute arbitrary code in Safari and Internet Explorer. This impacts all Safari and Internet Explorer users of Prism >=v1.1.0 that use the _Previewers_ plugin (>=v1.10.0) or the _Previewer: Easing_ plugin (v1.1.0 to v1.9.0). This problem is fixed in version 1.21.0. To workaround the issue without upgrading, disable the easing preview on all impacted code blocks. You need Prism v1.10.0 or newer to apply this workaround.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 74.0%
CVSS Severity
CVSS v3 Score 7.1
CVSS v2 Score 2.6
Products affected by CVE-2020-15138
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cpe:2.3:a:microsoft:internet_explorer:-
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cpe:2.3:a:prismjs:previewers:1.1.0
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cpe:2.3:a:prismjs:previewers:1.10.0
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cpe:2.3:a:prismjs:previewers:1.11.0
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cpe:2.3:a:prismjs:previewers:1.12.0
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cpe:2.3:a:prismjs:previewers:1.12.1
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cpe:2.3:a:prismjs:previewers:1.12.2
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cpe:2.3:a:prismjs:previewers:1.13.0
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cpe:2.3:a:prismjs:previewers:1.14.0
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cpe:2.3:a:prismjs:previewers:1.15.0
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cpe:2.3:a:prismjs:previewers:1.16.0
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cpe:2.3:a:prismjs:previewers:1.17.0
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cpe:2.3:a:prismjs:previewers:1.17.1
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cpe:2.3:a:prismjs:previewers:1.18.0
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cpe:2.3:a:prismjs:previewers:1.19.0
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cpe:2.3:a:prismjs:previewers:1.2.0
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cpe:2.3:a:prismjs:previewers:1.20.0
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cpe:2.3:a:prismjs:previewers:1.3.0
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cpe:2.3:a:prismjs:previewers:1.4.0
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cpe:2.3:a:prismjs:previewers:1.4.1
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cpe:2.3:a:prismjs:previewers:1.5.0
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cpe:2.3:a:prismjs:previewers:1.5.1
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cpe:2.3:a:prismjs:previewers:1.6.0
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cpe:2.3:a:prismjs:previewers:1.7.0
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cpe:2.3:a:prismjs:previewers:1.8.0
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cpe:2.3:a:prismjs:previewers:1.8.1
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cpe:2.3:a:prismjs:previewers:1.8.2
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cpe:2.3:a:prismjs:previewers:1.8.3
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cpe:2.3:a:prismjs:previewers:1.8.4
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cpe:2.3:a:prismjs:previewers:1.9.0