Element 'map' is not supported
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Description
Hello,
Example of code before HTMLpurifier :
<img src='.../mymap.gif' width="378" height="358" border="0" usemap="#Map">
<map name="Map">
<area shape="poly" coords="224,2,235,2,250,10,274,27,274,36,248,39,240,17,230,15" href="https://test.com" >
<area shape="poly" coords="211,27,211,8,224,4,229,15,239,17,246,39" href="https://test2.com">
</map>
The same code AFTER HTMLpurifier :
<img src='.../mymap.gif' width="378" height="358" border="0">
The map element is in the HTML specification : https://html.spec.whatwg.org/#the-map-element
The map element is supported by the browsers.
Why the map element is NOT supported by HTMLpurifier ?
Best regards.
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the issue’s before-and-after HTMLPurifier example and trace how supported HTML elements are defined and tested. There are no files or tests named in the report, so locate the element-definition path and comparable element tests; done means map, area, and the image’s usemap attribute are retained while filtering remains safe.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- php
- Domain
- security
- Issue type
- Feature
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100