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-rw-r--r--Userland/Libraries/LibMarkdown/CodeBlock.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Userland/Libraries/LibMarkdown/CodeBlock.cpp b/Userland/Libraries/LibMarkdown/CodeBlock.cpp
index 3a6b8dff15..de2bb0958b 100644
--- a/Userland/Libraries/LibMarkdown/CodeBlock.cpp
+++ b/Userland/Libraries/LibMarkdown/CodeBlock.cpp
@@ -39,7 +39,7 @@ String CodeBlock::render_to_html() const
if (style_language.is_empty())
builder.append("<code>");
else
- builder.appendff("<code class=\"{}\">", style_language);
+ builder.appendff("<code class=\"{}\">", escape_html_entities(style_language));
if (style_language == "js")
builder.append(JS::MarkupGenerator::html_from_source(m_code));