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Bug #100798

closed

CSP: wildcard is url-encoded

Added by Franz Kugelmann over 1 year ago. Updated 5 months ago.

Status:
Closed
Priority:
Should have
Assignee:
-
Category:
Frontend
Target version:
12 LTS
Start date:
2023-05-03
Due date:
% Done:

100%

Estimated time:
TYPO3 Version:
12
PHP Version:
Tags:
csp
Complexity:
Is Regression:
Sprint Focus:

Description

There is one special case with CSP directives, which is not correctly covered right now. Example:

mutations:
  - mode: set
    directive: 'frame-src'
    sources:
      - '*'

This leads to "frame-src /%2A;", effectively blocking all sources.
Especially for frame-src this global wildcard is in widespread use, since it is hard to predefine which URLs are allowed to be included in iframes.

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