Escape alt text when rendering into <figcaption>

marp-team · Sep 9, 2023 · 05373dc · 05373dc
1 parent a4318b3
commit 05373dc
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/markdown/background_image/advanced.js b/src/markdown/background_image/advanced.js
@@ -185,7 +185,10 @@ function _advancedBackground(md) {
         )
         .trim()
 
-      if (figcaption) return `${open}<figcaption>${figcaption}</figcaption>`
+      if (figcaption)
+        return `${open}<figcaption>${md.utils.escapeHtml(
+          figcaption,
+        )}</figcaption>`
     }
 
     return open