Coding⏱️ 1 min read📅 2026-05-31

How to Fix: How to set <iframe src="..."> without causing `unsafe value` exception?

Setting iframe src attribute without causing unsafe value exception.

Quick Answer: Use the `unsafeHTML` directive in Angular or a similar approach in other frameworks to bypass sanitization, but be aware of security implications.

To set the iframe src attribute without causing an `unsafe value` exception, you can use a combination of template literals and HTML escaping. Replace the problematic code with:

⚠️ Common Causes

  • Using double curly brackets {{ }} to enclose the iframe src attribute.

🔧 Proven Troubleshooting Steps

Method 1: Using Template Literals

  1. Step 1: Replace the iframe src attribute with a template literal, like this:

Example:

<iframe width= 

Did this fix your problem?

If not, try searching for specific error codes.

🔍 Search Error Database

❓ Frequently Asked Questions