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Vulnerability Details CVE-2021-21340

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14, 11.1.1 it has been discovered that database fields used as _descriptionColumn_ are vulnerable to cross-site scripting when their content gets previewed. A valid backend user account is needed to exploit this vulnerability. This is fixed in versions 10.4.14, 11.1.1 .
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 62.2%
CVSS Severity
CVSS v3 Score 5.4
CVSS v2 Score 3.5
Products affected by CVE-2021-21340
  • Typo3 » Typo3 » Version: 10.0.0
    cpe:2.3:a:typo3:typo3:10.0.0
  • Typo3 » Typo3 » Version: 10.0.10
    cpe:2.3:a:typo3:typo3:10.0.10
  • Typo3 » Typo3 » Version: 10.0.9
    cpe:2.3:a:typo3:typo3:10.0.9
  • Typo3 » Typo3 » Version: 10.1.0
    cpe:2.3:a:typo3:typo3:10.1.0
  • Typo3 » Typo3 » Version: 10.2.0
    cpe:2.3:a:typo3:typo3:10.2.0
  • Typo3 » Typo3 » Version: 10.2.1
    cpe:2.3:a:typo3:typo3:10.2.1
  • Typo3 » Typo3 » Version: 10.2.2
    cpe:2.3:a:typo3:typo3:10.2.2
  • Typo3 » Typo3 » Version: 10.3.0
    cpe:2.3:a:typo3:typo3:10.3.0
  • Typo3 » Typo3 » Version: 10.4.0
    cpe:2.3:a:typo3:typo3:10.4.0
  • Typo3 » Typo3 » Version: 10.4.1
    cpe:2.3:a:typo3:typo3:10.4.1
  • Typo3 » Typo3 » Version: 10.4.10
    cpe:2.3:a:typo3:typo3:10.4.10
  • Typo3 » Typo3 » Version: 10.4.11
    cpe:2.3:a:typo3:typo3:10.4.11
  • Typo3 » Typo3 » Version: 10.4.12
    cpe:2.3:a:typo3:typo3:10.4.12
  • Typo3 » Typo3 » Version: 10.4.13
    cpe:2.3:a:typo3:typo3:10.4.13
  • Typo3 » Typo3 » Version: 10.4.2
    cpe:2.3:a:typo3:typo3:10.4.2
  • Typo3 » Typo3 » Version: 10.4.3
    cpe:2.3:a:typo3:typo3:10.4.3
  • Typo3 » Typo3 » Version: 10.4.4
    cpe:2.3:a:typo3:typo3:10.4.4
  • Typo3 » Typo3 » Version: 10.4.5
    cpe:2.3:a:typo3:typo3:10.4.5
  • Typo3 » Typo3 » Version: 10.4.6
    cpe:2.3:a:typo3:typo3:10.4.6
  • Typo3 » Typo3 » Version: 10.4.7
    cpe:2.3:a:typo3:typo3:10.4.7
  • Typo3 » Typo3 » Version: 10.4.8
    cpe:2.3:a:typo3:typo3:10.4.8
  • Typo3 » Typo3 » Version: 10.4.9
    cpe:2.3:a:typo3:typo3:10.4.9
  • Typo3 » Typo3 » Version: 11.0.0
    cpe:2.3:a:typo3:typo3:11.0.0
  • Typo3 » Typo3 » Version: 11.0.2
    cpe:2.3:a:typo3:typo3:11.0.2
  • Typo3 » Typo3 » Version: 11.0.3
    cpe:2.3:a:typo3:typo3:11.0.3
  • Typo3 » Typo3 » Version: 11.1.0
    cpe:2.3:a:typo3:typo3:11.1.0


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