PHP League CommonMark Library XSS Vulnerability

CVE-2018-20583 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

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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