CVE-2026-40497: Missing Style In Html Denylist
An HTML tag denylist array contains 'script' and 'iframe' but omits 'style'. This allows attackers to inject malicious CSS, which can be leveraged for CSRF token exfiltration and other CSS injection attacks. Ensure 'style' is included in the array of stripped tags.
PHPgreprules fetch cve-2026-40497-missing-style-in-html-denylist --engine opengrepDescription
An HTML tag denylist array contains 'script' and 'iframe' but omits 'style'. This allows attackers to inject malicious CSS, which can be leveraged for CSRF token exfiltration and other CSS injection attacks. Ensure 'style' is included in the array of stripped tags.
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