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vulnerability alert 26941

TYPO3 Powermail: Cross Site Scripting

Synthesis of the vulnerability

An attacker can trigger a Cross Site Scripting of TYPO3 Powermail, in order to run JavaScript code in the context of the web site.
Impacted products: TYPO3 Extensions ~ not comprehensive.
Severity: 2/4.
Creation date: 09/08/2018.
Identifiers: TYPO3-EXT-SA-2018-004, VIGILANCE-VUL-26941.

Description of the vulnerability

The Powermail extension can be installed on TYPO3.

However, it does not filter received data before inserting them in generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting of TYPO3 Powermail, in order to run JavaScript code in the context of the web site.
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