Avoid adding multiple CSRF tokens to a URL #923
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There is a bug in this code. For the URL |
Contributor
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It also will incorrectly identify parameters which end with the parameter name (e.g. |
This fixes incorrect matching of parameters whose names *end with* the CSRF token name The code is arguably easier to read
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All fixed with recent commits. Ready for review. |
Contributor
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Remove the commented out System.outs ;) |
markt-asf
reviewed
Nov 20, 2025
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Done! |
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The unit tests describe the problem: if a URL already contains a CSRF token and that URL is passed through
HttpServletResponse.encode(Redirect)URL, then the URL will end up with multiple instances of a CSRF token.This patch removes those extra instances should they exist.