Use single quote to escape formulas #452
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and add tab ```\t``` and carriage return ```\r``` to escaped values
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@robertfausk thanks for the PR I will release a new version ASAP |
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... and add tab
\tand carriage return\rto escaped values.As already used in symfony/serializer (https://symfony.com/blog/cve-2021-41270-prevent-csv-injection-via-formulas)
and as OWASP suggests in https://owasp.org/www-community/attacks/CSV_Injection
Credits for finding this issue in thephpleague/csv goes to @Lehmhub 👯♂️