Forcing Firefox to Show Image After Disabling Showing Images

I guess I didn’t know that if you disable Firefox to show images, images still show if you use a Data URI string, base-64 encoded. For example, let’s take a look at the following HTML:

```<html> <head> <title>Test</title> </head> <body> <img src="data:image/gif;base64,R0lGODlhuwAsAPcAAAAAAIAAAACAAICAAAAAgIAAgACAgMHAv8DcwKrK7wAAAAAA/wRAfQJHjQRR owqRBgD/AAI2bRNnvw5j0BAQEBJWnBZoJhSGDhwdHBk6XhdLfiFUHhpcmB9xLxqmDidDXyVkHSMl JidtqSty0it6JCyVFiyiFzEyMi6wGDk5OUFQazdowDttmjCAPzeXHkJCQUdITENyzUCIN0x9qEuE tkiN3keTUk6Zwk2rNEq1J1BRUlVcUlJbblV1s1ehYFxcXV6HqFiAs2KRsljBLl1bWWVlZGefzl6a 4mtrinGX3WiycXC/D2jNNm9vbnaQyXaixYBhN3l8eXp6mYOOlXeq5oW9PX+41XjAgH7aEH3iSoQA AIFxWISEAIaw54S8N4bMjI+EXYmIho+TqYulvIen2IytvZSx2pG764jsEZNoK5KQjZSYm5SUnJWU 1pDLPpvmOpbamppPM5mTfZqZkpycmZ2c15qylaHOY6abVqGfvKS7zaHkpKwIDa8OE66uqqqq566y xq3Hg63G2a3ur7g1ObRKGbVWHLZ+MbR9UbS2uLTL37TafrkRFbopKbpmI726tLq9vbq5zcLB8L7R m7r6vcIPGsUYIsk3IsY8QshKMcVNUcdqasZ7SsKAMryQXMiUPMa9zsrMzMDN1sulR86qpcy4pc7D Ss3HwNDMxdIVJNdEJtZYPdhrStl0edSnfNHAttTQVtXVatPQyNbX2uMWC9saK9w0E+FMWNpZY91s st1+LNx7VtyzcdqzydzXWeUBAeAnOOtiNudkxuhryOxzC+iBieaMzOmOHN+MWuamque0tuTl5fAP CewuwOlFFe5IyeRWBPNY0Ox90PClheyqHvDGg+nQtO/v7/cAAPhSGPdSGP9sGviPavCVN+yjY/qz IfWxWPK9bfXAofPELfLLSPTUMvPR0/neQfrcZPrmdPnqyfjsVvf3APv29v5iGv+vG/zphPvmpvv2 ev3znfv2tv742/7876KjpICAf/8AAAD/AP//AAAA//8A/wD///3+/SH5BAAAAAAALAAAAAC7ACwA hwAAAIAAAACAAICAAAAAgIAAgACAgMHAv8DcwKrK7wAAAAAA/wRAfQJHjQRRowqRBgD/AAI2bRNn vw5j0BAQEBJWnBZoJhSGDhwdHBk6XhdLfiFUHhpcmB9xLxqmDidDXyVkHSMlJidtqSty0it6JCyV FiyiFzEyMi6wGDk5OUFQazdowDttmjCAPzeXHkJCQUdITENyzUCIN0x9qEuEtkiN3keTUk6Zwk2r NEq1J1BRUlVcUlJbblV1s1ehYFxcXV6HqFiAs2KRsljBLl1bWWVlZGefzl6a4mtrinGX3WiycXC/ D2jNNm9vbnaQyXaixYBhN3l8eXp6mYOOlXeq5oW9PX+41XjAgH7aEH3iSoQAAIFxWISEAIaw54S8 N4bMjI+EXYmIho+TqYulvIen2IytvZSx2pG764jsEZNoK5KQjZSYm5SUnJWU1pDLPpvmOpbamppP M5mTfZqZkpycmZ2c15qylaHOY6abVqGfvKS7zaHkpKwIDa8OE66uqqqq566yxq3Hg63G2a3ur7g1 ObRKGbVWHLZ+MbR9UbS2uLTL37TafrkRFbopKbpmI726tLq9vbq5zcLB8L7Rm7r6vcIPGsUYIsk3 IsY8QshKMcVNUcdqasZ7SsKAMryQXMiUPMa9zsrMzMDN1sulR86qpcy4pc7DSs3HwNDMxdIVJNdE JtZYPdhrStl0edSnfNHAttTQVtXVatPQyNbX2uMWC9saK9w0E+FMWNpZY91sst1+LNx7Vtyzcdqz 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Which outputs:

You can see for yourself here, which is the HTML page.

Now, let’s disable showing of images in Firefox – Uncheck “Load images automatically”:

Refresh the page and see that you get:

Strange that they haven’t blocked this as well. This happens in Firefox 3.6 for Windows. I tested it in Safari 4.0.4 on Windows and it none of them showed when images are disabled.