Vulnerability Details CVE-2018-1000874
PHP cebe markdown parser version 1.2.0 and earlier contains a Cross Site Scripting (XSS) vulnerability in all distributed parsers allowing a malicious crafted script to be executed that can result in the lose of user data and sensitive user information. This attack can be exploited by crafting a three backtick wrapped payload with a character in front: L: "```<script>alert();</script>```". NOTE: This has been argued as a non-issue (see references) since it is not the parser's job to sanitize malicious code from a parsed document
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 45.0%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References
Products affected by CVE-2018-1000874
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cpe:2.3:a:cebe:markdown:0.9.0
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cpe:2.3:a:cebe:markdown:0.9.1
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cpe:2.3:a:cebe:markdown:0.9.2
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cpe:2.3:a:cebe:markdown:1.0.0
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cpe:2.3:a:cebe:markdown:1.0.1
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cpe:2.3:a:cebe:markdown:1.0.2
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cpe:2.3:a:cebe:markdown:1.0.3
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cpe:2.3:a:cebe:markdown:1.1.0
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cpe:2.3:a:cebe:markdown:1.1.1
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cpe:2.3:a:cebe:markdown:1.1.2
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cpe:2.3:a:cebe:markdown:1.2.0