Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXg3OWotd2dxdi1nOGgy

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

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

• TYPO3-CORE-SA-2021-004

Permalink: https://github.com/advisories/GHSA-x79j-wgqv-g8h2
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXg3OWotd2dxdi1nOGgy
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 2 years ago
Updated: 8 months ago

CVSS Score: 5.0
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

Identifiers: GHSA-x79j-wgqv-g8h2, CVE-2021-21358
References:

• https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-x79j-wgqv-g8h2
• https://packagist.org/packages/typo3/cms-form
• https://nvd.nist.gov/vuln/detail/CVE-2021-21358
• https://typo3.org/security/advisory/typo3-core-sa-2021-004
• https://github.com/advisories/GHSA-x79j-wgqv-g8h2

Affected Packages