[BUGFIX:BP:11.5] Sanitize frequent and last searches output #3591
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Wraps output of frequent searches and last searches in format.htmlentities, to prevent XSS. In rare scenarios there might be issues with unsanitized output of frequent searches and/or last searches, this issues are now solved. The StatisticsWriterProcessor is already sanitizing the stored terms, but as it's possible to use any custom table it should be ensured the data is sanitized. If last searches is activated and configured for global mode, there might be issues too. Though it's required that the prepared query delivers result documents, as EXT:solr will only store the terms if results are found, the output should be sanitized too. Ports: TYPO3-Solr#3590 Resolves: TYPO3-Solr#3589
dkd-friedrich
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Backport of #3590
What this pr does
Wraps output of frequent searches and last searches in format.htmlentities, to prevent XSS. In rare scenarios there might be issues with unsanitized output of frequent searches and/or last searches, this issues are now solved.
The StatisticsWriterProcessor is already sanitizing the stored terms, but as it's possible to use any custom table it should be ensured the data is sanitized.
If last searches is activated and configured for global mode, there might be issues too. Though it's required that the prepared query delivers result documents, as EXT:solr will only store the terms if results are found, the output should be sanitized too.
Please add a description here
How to test
As special configurations and index contents are required to reproduce the issues, the easiest way is to place simulated data in
tx_solr_statisticsandtx_solr_last_searches. If last searches and frequent searches (global mode) are activated a sanitized string should be visible.Ports: #3590
Resolves: #3589