fix: error when invalid iframe in markdown (#5985)

Author: Prospector

packages/utils/parse.ts

@@ -49,23 +49,25 @@ export const configuredXss = new FilterXSS({
 				},
 			]
 
-			const url = new URL(value)
-
-			for (const source of allowedSources) {
-				if (!source.url.test(url.href)) {
-					continue
-				}
+			try {
+				const url = new URL(value)
 
-				const newSearchParams = new URLSearchParams(url.searchParams)
-				url.searchParams.forEach((value, key) => {
-					if (!source.allowedParameters.some((param) => param.test(`${key}=${value}`))) {
-						newSearchParams.delete(key)
+				for (const source of allowedSources) {
+					if (!source.url.test(url.href)) {
+						continue
 					}
-				})
 
-				url.search = newSearchParams.toString()
-				return `${name}="${escapeAttrValue(url.toString())}"`
-			}
+					const newSearchParams = new URLSearchParams(url.searchParams)
+					url.searchParams.forEach((value, key) => {
+						if (!source.allowedParameters.some((param) => param.test(`${key}=${value}`))) {
+							newSearchParams.delete(key)
+						}
+					})
+
+					url.search = newSearchParams.toString()
+					return `${name}="${escapeAttrValue(url.toString())}"`
+				}
+			} catch {}
 		}
 
 		// For Highlight.JS