CVE-2021-21370
Last modified
CVE-2021-21370 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. EPSS estimates a 0.87% chance of exploitation in the next 30 days.
Description
TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that content elements of type _menu_ are vulnerable to cross-site scripting when their referenced items get previewed in the page module. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Typo3 | Typo3 | >= 7.0.0, < 7.6.51 |
| Typo3 | Typo3 | >= 8.0.0, < 8.7.40 |
| Typo3 | Typo3 | >= 9.0.0, < 9.5.25 |
| Typo3 | Typo3 | >= 10.0.0, < 10.4.14 |
| Typo3 | Typo3 | >= 11.0.0, < 11.1.1 |
References
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qhThird Party Advisory
- https://packagist.org/packages/typo3/cms-backendRelease Notes, Third Party Advisory
- https://typo3.org/security/advisory/typo3-core-sa-2021-008Vendor Advisory
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qhThird Party Advisory
- https://packagist.org/packages/typo3/cms-backendRelease Notes, Third Party Advisory
- https://typo3.org/security/advisory/typo3-core-sa-2021-008Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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