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Fix Broken Strikethroughs in Markdown to HTML conversion.

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Allow the s tag to be rendered.

Fixes #6008.

Signed-off-by: Buo-ren Lin (OSSII) <buoren.lin@ossii.com.tw>
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Buo-ren Lin (OSSII) 2025-11-10 10:49:26 +08:00
parent 0004ae716b
commit c5f5ce126d
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1 changed files with 2 additions and 2 deletions
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4
client/lib/secureDOMPurify.js
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@ -4,7 +4,7 @@ import DOMPurify from 'dompurify';
export function getSecureDOMPurifyConfig() {
return {
// Allow common markdown elements including anchor tags
ALLOWED_TAGS: ['a', 'p', 'br', 'strong', 'em', 'u', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ul', 'ol', 'li', 'blockquote', 'pre', 'code', 'img', 'table', 'thead', 'tbody', 'tr', 'th', 'td', 'hr', 'div', 'span'],
ALLOWED_TAGS: ['a', 'p', 'br', 'strong', 'em', 'u', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ul', 'ol', 'li', 'blockquote', 'pre', 'code', 'img', 'table', 'thead', 'tbody', 'tr', 'th', 'td', 'hr', 'div', 'span', 's'],
// Allow safe attributes including href for anchor tags
ALLOWED_ATTR: ['href', 'title', 'alt', 'src', 'width', 'height', 'target', 'rel'],
// Allow safe protocols for links
@ -44,7 +44,7 @@ export function getSecureDOMPurifyConfig() {
}
return false;
}
// Additional check for base64 encoded SVG with script tags
if (src.startsWith('data:image/svg+xml;base64,')) {
try {