CVE-2021-21370
lowPriorität · verfolgen · 22EPSS 0.009 · 59. PerzentilEUUSEPSS · bewertet 2026-10-27
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.
cvss
Technischer Schweregrad, 0–10. Eine Zeile je Quelle.
Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · low–medium · 3.5–5.4
schwächen
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betroffene Produkte (26)
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Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- GHSA-x7hc-x7fm-f7qhCross-Site Scripting in Content Preview (CType menu)2021-03-23ghsa · osvUS
### Problem 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. ### Solution Update to TYPO3 versions 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 that fix the problem described. ### Credits Thanks to TYPO3 contributor Oliver Bartsch who reported and fixed the issue. ### References * [TYPO3-CORE-SA-2021-008](https://typo3.org/security/advisory/typo3-core-sa-2021-008)
- BIT-typo3-2021-213702024-03-06vendor · osvUS
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.
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quellen
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Referenzen (12)
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qhcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-21370cnnvd
- https://packagist.org/packages/typo3/cms-backendcnnvd
- https://typo3.org/article/typo3-core-sa-2021-008Patchcnnvd
- https://typo3.org/security/advisory/typo3-core-sa-2021-008cnnvd
- https://vigilance.fr/vulnerability/TYPO3-Core-multiple-vulnerabilities-34860cnnvd
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x7hc-x7fm-f7qhenisa_euvd
- https://packagist.org/packages/typo3/cms-backendenisa_euvd
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