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I am getting the following error in my security review: Untrusted users are allowed to input dangerous HTML tags.

Is this because in my text formats I've got the following: Plain text All roles may use this format

Should I disable anonymous users from being able to access plain text?

Also, it is saying: It is recommended you remove the following tags from roles accessible by untrusted users.

img

Should I remove the img tag from authenticated users???? Does this mean that authenticated users will not be able to uploaded images to their site at all?

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2 Answers 2

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Plain text is just that, no html tags, so this shouldn't be a security issue.

Perhaps the img tag is considered dangerous because it is possible to use a specially crafted png or jpg to launch an attack against a users browser.

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  • Thanks for that @MarkMuhleder . Any tips as to how to get rid of this error message "Untrusted users are allowed to input dangerous HTML tags."
    – kine456
    Commented Feb 11, 2013 at 4:41
  • Does the module let you specify some roles as "trusted users"? Commented Feb 11, 2013 at 12:19
  • I see that it does drupalcode.org/project/security_review.git/blob/refs/heads/… "Navigate to 39 Administer >> Reports >> Security Review >> Settings to mark which roles are 40 untrusted." Commented Feb 11, 2013 at 12:21
  • Thank you!!! Having only the anonymous user set as untrusted user fixed the problem.
    – kine456
    Commented Feb 12, 2013 at 0:12
  • It may "fix the problem" but is it the right thing to do? See drupalscout.com/knowledge-base/…
    – greggles
    Commented Feb 12, 2013 at 15:24
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img tags are vulnerable to XSS attacks

Since my site required roles higher than authenticated to submit content, I simply unchecked "authenticated user" from admin/config/content/formats/filtered_html and that solved my audit report.

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