CSP: img-src

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The HTTP {{HTTPHeader("Content-Security-Policy")}} img-src directive specifies valid sources of images and favicons.

CSP version	1
Directive type	`{{Glossary("Fetch directive")}}`
`{{CSP("default-src")}}` fallback	Yes. If this directive is absent, the user agent will look for the `default-src` directive.

Syntax

Content-Security-Policy: img-src 'none';
Content-Security-Policy: img-src <source-expression-list>;

This directive may have one of the following values:

'none'
- : No resources of this type may be loaded. The single quotes are mandatory.
<source-expression-list>
- : A space-separated list of source expression values. Resources of this type may be loaded if they match any of the given source expressions. For this directive, the following source expression values are applicable:

Given this CSP header:

Content-Security-Policy: img-src https://example.com/

The following {{HTMLElement("img")}} is blocked and won’t load:

<img src="https://not-example.com/foo.jpg" alt="example picture" />

{{Specifications}}

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