TYPO3 Core

It seems that class.tslib_fe.php could be misused for mass spam attacks again. Even if I delete the form on the Site, Spam is submitted. Also, all Javascript-Checks for required fields were not were not done and selector-boxes were not recognized (no entrys submitted for this).

Here's the text of the received message, unfortunately there's also no information about the sender.

ORGANISATION_FIRMA: tGoHiqVoprTZfI
VORNAME_NAME: Gzzmnlko
ADRESSE: vjGhhdJb
LAND_POSTLEITZAHL_ORT: kegehQRyZxrrd
TELEFON: lrRVnQkGRNJAR
EMAIL: lnnzktal@frpaccew.com
MITTEILUNG:
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(issue imported from #M8894)