PHP League CommonMark vulnerable to Cross-Site Scripting (XSS)
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).
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2018-20583US | medium6.1 | — | ||
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 (… | ||||
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references
External citations — patches, advisories, analysis.
- https://commonmark.thephpleague.com/changelogWEB
- https://github.com/FriendsOfPHP/security-advisories/blob/master/league/commonmark/CVE-2018-20583.yamlWEB
- https://github.com/thephpleague/commonmarkPACKAGE
- https://github.com/thephpleague/commonmark/issues/337WEB
- https://github.com/thephpleague/commonmark/releases/tag/0.18.1WEB
- https://nvd.nist.gov/vuln/detail/CVE-2018-20583ADVISORY
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