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Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form

  • Disclosed: 23.03.2021
  • Updated: 11.10.2026 10:22

Problem

It has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability.

Solution

Update to TYPO3 versions 10.4.14 or 11.1.1 that fix the problem described.

Credits

Thanks to Richie Lee who reported this issue and to TYPO3 framework merger Andreas Fernandez who fixed the issue.

References

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package typo3/cms >= 10.0.0, < 10.4.14, >= 11.0.0, < 11.1.1 10.4.14, 11.1.1
Composer package typo3/cms-core >= 10.0.0, < 10.4.14, >= 11.0.0, < 11.1.1 10.4.14, 11.1.1
Composer package typo3/cms-form >= 10.2.0, < 10.4.14, >= 11.0.0, < 11.1.1 10.4.14, 11.1.1

References

CVSS score 5.4/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C
Weakness (CWE)
CWE-79
Platform
Composer
Package
typo3/cms, typo3/cms-core, typo3/cms-form
Disclosed
23.03.2021
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-x79j-wgqv-g8h2 - CC BY 4.0

Vulnerability history: typo3/cms-form

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
8
First → latest
03.2021 08.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 5
  • Medium 3

Disclosures per year

  1. TYPO3 CMS - Unrestricted File Upload in Form Framework
    Medium CVE-2026-15305 >= 14.2.0, < 14.3.5 14.3.5
  2. TYPO3 CMS has Broken Access Control in its Form Framework
    High CVE-2026-11607 < 10.4.57, >= 11.0.0, < 11.5.51, >= 12.0.0, < 12.4.46, >= 13.0.0, < 13.4.31, >= 14.0.0, < 14.3.3 10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  3. TYPO3 CMS has Privilege Escalation & SQL Injection in its Form Framework
    High CVE-2026-49741 >= 14.0.0, < 14.3.3 14.3.3
  4. TYPO3 CMS has Broken Access Control in its Form Framework
    High CVE-2026-47346 < 10.4.57, >= 11.0.0, < 11.5.51, >= 12.0.0, < 12.4.46, >= 13.0.0, < 13.4.31, >= 14.0.0, < 14.3.3 10.4.57, 11.5.51, 12.4.46, 13.4.31, 14.3.3
  5. TYPO3 Form Framework Module vulnerable to Cross-Site Request Forgery
    Medium · 5.4 CVE-2024-55922 >= 10.0.0, < 10.4.48, >= 11.0.0, < 11.5.42, >= 12.0.0, < 12.4.25, >= 13.0.0, < 13.4.3 10.4.48, 11.5.42, 12.4.25, 13.4.3
  6. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in typo3/cms-form this entry
    Medium · 5.4 CVE-2021-21358 >= 10.2.0, < 10.4.14, >= 11.0.0, < 11.1.1 10.4.14, 11.1.1
  7. Broken Access Control in Form Framework
    High · 8.3 CVE-2021-21357 >= 8.0.0, < 8.7.40, >= 9.0.0, < 9.5.25, >= 10.0.0, < 10.4.14, >= 11.0.0, < 11.1.1 8.7.40, 9.5.25, 10.4.14, 11.1.1
  8. Unrestricted File Upload in Form Framework
    High · 8.6 CVE-2021-21355 >= 8.0.0, < 8.7.40, >= 9.0.0, < 9.5.25, >= 10.0.0, < 10.4.14, >= 11.0.0, < 11.1.1 8.7.40, 9.5.25, 10.4.14, 11.1.1

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