TYPO3 Cross-Site Scripting in Link Handling · GHSA-4ppr-jw47-9qm5 · GitHub Advisory Database · GitHub

TYPO3 Cross-Site Scripting in Link Handling

Moderate severity GitHub Reviewed Published May 30, 2024 to the GitHub Advisory Database • Updated May 30, 2024

Package

typo3/cms-core (Composer)

Affected versions

>= 10.0.0, < 10.2.1

>= 8.0.0, < 8.7.30

>= 9.0.0, < 9.5.12

Patched versions

10.2.1

8.7.30

9.5.12

Description

It has been discovered that t3:// URL handling and typolink functionality are vulnerable to cross-site scripting. Not only regular backend forms are affected but also frontend extensions which use the rendering with typolink.

References

Published to the GitHub Advisory Database May 30, 2024

Reviewed May 30, 2024

Last updated May 30, 2024

Severity

Moderate

6.1

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N