CVE-2020-11065

MEDIUM5.4EPSS 0.21%

Cross-Site Scripting in TYPO3 CMS Link Handling

Published: 5/13/2020Modified: 3/13/2026

Also known as:GHSA-4j77-gg36-9864BIT-typo3-2020-11065

Description

It has been discovered that link tags generated by `typolink` functionality are vulnerable to cross-site scripting - properties being assigned as HTML attributes have not been parsed correctly. Update to TYPO3 versions 9.5.17 or 10.4.2 that fix the problem described. ### References * https://typo3.org/security/advisory/typo3-core-sa-2020-003

Affected packages (3)

Bitnami/typo3>= 9.5.12, < 9.5.17, >= 10.2.0, < 10.4.2
Packagist/typo3/cms>= 10.0.0, < 10.4.2
Packagist/typo3/cms-core>= 10.0.0, < 10.4.2

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-11065
WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-11065.yaml
WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-11065.yaml
WEBhttps://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-4j77-gg36-9864
WEBhttps://typo3.org/security/advisory/typo3-core-sa-2020-003