CVE-2021-21340

Cross-Site Scripting in Content Preview

State
Published
Severity
5.4 Medium
Published
Mar 23, 2021
Updated
Aug 3, 2024
Reserved
Dec 22, 2020

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Description

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 .

Scores

CVSSScoreVectorSource
3.15.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NGitHub_M

Weaknesses

  • CWE-79 Cross-site Scripting (XSS)

Affected Products

ProductVersions
TYPO3.CMSTYPO3
  • >= 10.0.0, <= 10.4.13Affected
  • >= 11.0.0, <= 11.1.0Affected

References

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