index.md

---

title: "CSP: img-src"
slug: Web/HTTP/Headers/Content-Security-Policy/img-src
browser-compat: http.headers.Content-Security-Policy.img-src

---

{{HTTPSidebar}}

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

One or more sources can be allowed for the img-src policy:

Content-Security-Policy: img-src <source>;
Content-Security-Policy: img-src <source> <source>;

Sources

<source> can be any one of the values listed in CSP Source Values.

Note that this same set of values can be used in all {{Glossary("fetch directive", "fetch directives")}} (and a number of other directives).

Examples

Violation cases

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

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• {{HTTPHeader("Content-Security-Policy")}}

• {{HTMLElement("img")}}