GHSA-4jhw-2p6j-5wmp
Open Redirection in Login Handling
Quick fix
GHSA-4jhw-2p6j-5wmp — typo3/cms-core: upgrade to the fixed version with the command below.
composer require typo3/cms-core:^6.2.57Details
### Problem It has been discovered that Login Handling is susceptible to open redirection which allows attackers redirecting to arbitrary content, and conducting phishing attacks. No authentication is required in order to exploit this vulnerability.
### Solution Update to TYPO3 versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 that fix the problem described.
### Credits Thanks to Alexander Kellner who reported this issue and to TYPO3 security team member Torben Hansen who fixed the issue.
### References * [TYPO3-CORE-SA-2021-001](https://typo3.org/security/advisory/typo3-core-sa-2021-001)
Are you affected?
Enter the version of the package you're using.
Affected packages
6.2.0Fixed in: 6.2.57composer require typo3/cms-core:^6.2.577.0.0Fixed in: 7.6.51composer require typo3/cms-core:^7.6.518.0.0Fixed in: 8.7.40composer require typo3/cms-core:^8.7.4010.0.0Fixed in: 10.4.14composer require typo3/cms-core:^10.4.1411.0.0Fixed in: 11.1.1composer require typo3/cms-core:^11.1.19.0.0Fixed in: 9.5.25composer require typo3/cms-core:^9.5.25References
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-4jhw-2p6j-5wmp[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2021-21338[ADVISORY]
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2021-21338.yaml[WEB]
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2021-21338.yaml[WEB]
- https://packagist.org/packages/typo3/cms-core[WEB]
- https://typo3.org/security/advisory/typo3-core-sa-2021-001[WEB]