MediumGHSA-x79j-wgqv-g8h2BIT-typo3-2021-21358CVE-2021-21358

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

Published 23 Mar 2021 · Updated 8 Jul 2026

Affected packages

typo3/cms-formComposer
Affected
>=10.2.0 <10.4.14
Fixed in
10.4.14
Update to the fixed version for your release line, for example:composer require typo3/cms-form:^10.4.14
typo3/cms-formComposer
Affected
>=11.0.0 <11.1.1
Fixed in
11.1.1
Update to the fixed version for your release line, for example:composer require typo3/cms-form:^11.1.1
typo3/cms-coreComposer
Affected
>=10.0.0 <10.4.14
Fixed in
10.4.14
Update to the fixed version for your release line, for example:composer require typo3/cms-core:^10.4.14
typo3/cms-coreComposer
Affected
>=11.0.0 <11.1.1
Fixed in
11.1.1
Update to the fixed version for your release line, for example:composer require typo3/cms-core:^11.1.1
typo3/cmsComposer
Affected
>=10.0.0 <10.4.14
Fixed in
10.4.14
Update to the fixed version for your release line, for example:composer require typo3/cms:^10.4.14
typo3/cmsComposer
Affected
>=11.0.0 <11.1.1
Fixed in
11.1.1
Update to the fixed version for your release line, for example:composer require typo3/cms:^11.1.1

Details

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

Is GHSA-x79j-wgqv-g8h2 in any of your client repos?

Checking one package by hand is fine. Checking it across forty client projects is not. NPMscan reads the lockfiles in every GitHub repo you pick, finds each project with an affected typo3/cms-form, and gives you the command that fixes it.

Scan a project free, no signupOr connect GitHub to scan every repo

References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.