ASA-2019-00021 – TYPO3: Cross-site Scripting (XSS) in language pack handling


Allele Security Alert

ASA-2019-00021

Identifier(s)

ASA-2019-00021, TYPO3-CORE-SA-2019-004

Title

Cross-site Scripting (XSS) in language pack handling

Vendor(s)

TYPO3

Product(s)

TYPO3 CMS

Affected version(s)

TYPO3 CMS versions 9.2.0 up to 9.5.3

Fixed version(s)

TYPO3 CMS version 9.5.4

Proof of concept

Unknown

Description

Failing to properly encode information from external sources, language pack handling in the install tool is vulnerable to Cross-Site Scripting (XSS).

Technical details

Unknown

Credits

Georg Ringer (TYPO3 core team) and Frank Nägler (TYPO3 core team)

Reference(s)

TYPO3-CORE-SA-2019-004: Cross-Site Scripting in Language Pack Handling
https://typo3.org/security/advisory/typo3-core-sa-2019-004/

TYPO3 9.5.4 and 8.7.23 security releases published
https://typo3.org/article/typo3-954-and-8723-security-releases-published/

[TYPO3-announce] Announcing TYPO3 v9.5.4 and v8.7.23 security releases
http://lists.typo3.org/pipermail/typo3-announce/2019/000437.html

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Last modified: May 10, 2019

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