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CVE-2021-21340

CVE-2021-21340 · Cross-Site Scripting in Content Preview

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 .

CVSS 5.4 · Medium · EPSS 0.9% · Fix available

Published
Updated

Stack: php

Affected products and versions

  • typo3.cms

    Versions
    • >= 10.0.0, <= 10.4.13: Affected
    • >= 11.0.0, <= 11.1.0: Affected

    No fix published

  • typo3/cms-backend Packagist

    Versions
    • v10.0.0
    • v10.1.0
    • v10.2.0
    • v10.2.1
    • v10.2.2
    • v10.3.0
    • v10.4.0
    • v10.4.1
    • v10.4.10
    • v10.4.11
    • v10.4.12
    • v10.4.13
    • v10.4.2
    • v10.4.3
    • v10.4.4
    • v10.4.5
    • v10.4.6
    • v10.4.7
    • v10.4.8
    • v10.4.9
    Affected ranges
    • ECOSYSTEM: ≥ 10.0.0, < 10.4.14

    Update to 10.4.14

  • typo3/cms-backend Packagist

    Versions
    • v11.0.0
    • v11.1.0
    Affected ranges
    • ECOSYSTEM: ≥ 11.0.0, < 11.1.1

    Update to 11.1.1

  • typo3/cms-core Packagist

    Versions
    • v10.0.0
    • v10.1.0
    • v10.2.0
    • v10.2.1
    • v10.2.2
    • v10.3.0
    • v10.4.0
    • v10.4.1
    • v10.4.10
    • v10.4.11
    • v10.4.12
    • v10.4.13
    • v10.4.2
    • v10.4.3
    • v10.4.4
    • v10.4.5
    • v10.4.6
    • v10.4.7
    • v10.4.8
    • v10.4.9
    Affected ranges
    • ECOSYSTEM: ≥ 10.0.0, < 10.4.14

    Update to 10.4.14

  • typo3/cms-core Packagist

    Versions
    • v11.0.0
    • v11.1.0
    Affected ranges
    • ECOSYSTEM: ≥ 11.0.0, < 11.1.1

    Update to 11.1.1

  • typo3/cms Packagist

    Versions
    • v10.0.0
    • v10.1.0
    • v10.2.0
    • v10.2.1
    • v10.2.2
    • v10.3.0
    • v10.4.0
    • v10.4.1
    • v10.4.10
    • v10.4.11
    • v10.4.12
    • v10.4.13
    • v10.4.2
    • v10.4.3
    • v10.4.4
    • v10.4.5
    • v10.4.6
    • v10.4.7
    • v10.4.8
    • v10.4.9
    Affected ranges
    • ECOSYSTEM: ≥ 10.0.0, < 10.4.14

    Update to 10.4.14

  • typo3/cms Packagist

    Versions
    • v11.0.0
    • v11.1.0
    Affected ranges
    • ECOSYSTEM: ≥ 11.0.0, < 11.1.1

    Update to 11.1.1

Original sources

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