Vulnerability Details CVE-2018-20583
Cross-site scripting (XSS) vulnerability in the PHP League CommonMark library versions 0.15.6 through 0.18.x before 0.18.1 allows remote attackers to insert unsafe URLs into HTML (even if allow_unsafe_links is false) via a newline character (e.g., writing javascript as javascri%0apt).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 55.2%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References
- https://commonmark.thephpleague.com/changelog/
- https://github.com/thephpleague/commonmark/issues/337
- https://github.com/thephpleague/commonmark/releases/tag/0.18.1
- https://commonmark.thephpleague.com/changelog/
- https://github.com/thephpleague/commonmark/issues/337
- https://github.com/thephpleague/commonmark/releases/tag/0.18.1
Products affected by CVE-2018-20583
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cpe:2.3:a:thephpleague:commonmark:0.15.6
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cpe:2.3:a:thephpleague:commonmark:0.15.7
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cpe:2.3:a:thephpleague:commonmark:0.16.0
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cpe:2.3:a:thephpleague:commonmark:0.17.0
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cpe:2.3:a:thephpleague:commonmark:0.17.1
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cpe:2.3:a:thephpleague:commonmark:0.17.2
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cpe:2.3:a:thephpleague:commonmark:0.17.3
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cpe:2.3:a:thephpleague:commonmark:0.17.4
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cpe:2.3:a:thephpleague:commonmark:0.17.5
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cpe:2.3:a:thephpleague:commonmark:0.18.0