CVE-2020-26227
Cross-Site Scripting in Fluid view helpers
Impact
> ### Meta > * CVSS: `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C` (5.7) > * CWE-79 ### Problem It has been discovered that system extension Fluid (`typo3/cms-fluid`) of the TYPO3 core is vulnerable to cross-site scripting passing user-controlled data as argument to Fluid view helpers. ``` <f:form ... fieldNamePrefix="{payload}" /> <f:be.labels.csh ... label="{payload}" /> <f:be.menus.actionMenu ... label="{payload}" /> ``` ### Solution Update to TYPO3 versions 9.5.23 or 10.4.10 that fix the problem described. ### Credits Thanks to TYPO3 security team member Oliver Hader who reported this issue and to TYPO3 security team members Helmut Hummel & Oliver Hader who fixed the issue. ### References * [TYPO3-CORE-SA-2020-010](https://typo3.org/security/advisory/typo3-core-sa-2020-010)
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | typo3/cms-core | >= 9.0.0, < 9.5.23 | 9.5.23 |
| composer | typo3/cms | >= 10.0.0, < 10.4.10 | 10.4.10 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Typo3 | Typo3 | from 6.2.0 before 6.2.54 from 7.6.0 before 7.6.48 from 8.7.0 before 8.7.38 from 9.0.0 before 9.5.23 from 10.0.0 before 10.4.10 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-vqqx-jw6p-q3rf
- https://typo3.org/security/advisory/typo3-core-sa-2020-010
- https://github.com/advisories/GHSA-vqqx-jw6p-q3rf
- https://nvd.nist.gov/vuln/detail/CVE-2020-26227
- https://packagist.org/packages/typo3/cms-core
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-26227.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-26227.yaml