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typo3TYPO3 AssociationTYPO3-CORE-SA-2021-013
HistoryAug 10, 2021 - 12:00 a.m.

Cross-Site Scripting via Rich-Text Content

2021-08-1000:00:00
TYPO3 Association
typo3.org
20

0.001 Low

EPSS

Percentile

36.3%

Failing to properly parse, sanitize and encode malicious rich-text content, the content rendering process in the website frontend is vulnerable to cross-site scripting. Corresponding rendering instructions via TypoScript functionality HTMLparser do not consider all potentially malicious HTML tag & attribute combinations per default.

0.001 Low

EPSS

Percentile

36.3%