Content will be cut with multiple body tags
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Description
The following string will result in "cars", the word "houses" will be cut off.
<html><body>cars</body></html> <html><body>houses</body></html>
I know it's not valid html, but saw this today in a email. The html body of the email contained multiple html and body tags. So most of the email body was cut off by the purifier.
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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 supplied HTML input with two html/body pairs and inspect how the purifier handles the second body element. Done means the content after the second body tag is no longer cut off while the input remains safely purified.
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Assessment
- Tech stack
- php
- Domain
- security
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100