GHSA-43gj-mj2w-wh46
Cross-Site Scripting in TYPO3 CMS Form Engine
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | typo3/cms-core | >= 9.0.0, < 9.5.17 | 9.5.17 |
| Packagist | typo3/cms-core | >= 10.0.0, < 10.4.2 | 10.4.2 |
| Packagist | typo3/cms | >= 10.0.0, < 10.4.2 | 10.4.2 |
| Packagist | typo3/cms | >= 9.0.0, < 9.5.17 | 9.5.17 |
Details
As written in the advisory (Markdown source, shown as plain text).
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.
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-2020-002
References
External links from the advisory. They lead to third-party sites.
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-43gj-mj2w-wh46
- https://nvd.nist.gov/vuln/detail/CVE-2020-11064
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-11064.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-11064.yaml
- https://typo3.org/security/advisory/typo3-core-sa-2020-002