Multiple issues preventing removal of external references #50
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@darylldoyle Can you have a look at the PR because without, Server-Side Request Forgery is possible |
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Seems to be reasonable. I'll add some more test-cases covering the new behavior during the next few day - in case somebody else is faster, please don't hesitate... 😉 |
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Is it possible to get some test cases added for this please? |
xerc
suggested changes
Feb 14, 2022
| $value = trim($match[1], '\'"'); | ||
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| return preg_match('~^((https?|ftp|file):)?//~xi', $value); | ||
| return preg_match('~^((http|https|ftp|ftps|file):)?//~xi', $value); |
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return preg_match('~^((https?|s?ftps?|file):)?//~xi', $value);
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If
removeRemoteReferences(true)is used, the current code fails to remove attributes with namespaces (e.g. "xlink:href"), "http" and "ftps" URLs and all URLs not wrapped inurl('...').