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ClueBot NG (talk | contribs) m Reverting possible vandalism by 168.91.1.20 to version by Weanlitar. Report False Positive? Thanks, ClueBot NG. (3957862) (Bot) |
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== Path traversal prevention ==
Path traversal is a vulnerability whereby paths provided from an untrusted source are interpreted in such a way that unauthorised file access is possible.
For example, consider a script that fetches an article by taking a filename, which is then read by the script and [[Parse|parsed]]. Such a script might use the following hypothetical URL to retrieve an article about [[dog food]]:
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