Description
In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.17 and greater than or equal to 10.0.0 and less than 10.4.2, it has been discovered that HTML placeholder attributes containing data of other database records are vulnerable to cross-site scripting. A valid backend user account is needed to exploit this vulnerability. This has been fixed in 9.5.17 and 10.4.2.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_confirm
https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-43gj-mj2w-wh46
Scores
CVSS v3
5.4
EPSS
0.0021
EPSS Percentile
42.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (3)
typo3/cms
10.0.0 - 10.4.2Packagist
typo3/cms-core
9.0.0 - 9.5.17Packagist
typo3/typo3
9.0.0 - 9.5.17
Published
May 13, 2020
Tracked Since
Feb 18, 2026