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https://issues.apache.org/jira/browse/WW-5752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lukasz Lenart resolved WW-5752.
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Resolution: Fixed
> Normalize request-derived values in log messages
> -------------------------------------------------
>
> Key: WW-5752
> URL: https://issues.apache.org/jira/browse/WW-5752
> Project: Struts 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 7.3.0
> Reporter: Gouri Sankar A
> Priority: Minor
> Fix For: 7.5.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Request-derived strings are logged unchanged at WARN level in several places,
> so a decoded line break (for example in a URL path, a parameter name, a
> request_locale value or a JSON key) produces forged log lines.
> Affected classes: DefaultActionMapper, RestfulActionMapper,
> ParametersInterceptor, DefaultLocaleProvider, JSONInterceptor,
> DefaultCspReportAction, TokenHelper.
> Proposed: apply StringUtils.normalizeSpace to these values, as TokenHelper,
> the multipart classes and ParametersInterceptor already do.
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