silverstripe/framework BackURL validation bypass with malformed URLs · GHSA-m5q3-mvcr-gc5m · GitHub Advisory Database · GitHub

silverstripe/framework BackURL validation bypass with malformed URLs

High severity GitHub Reviewed Published May 27, 2024 to the GitHub Advisory Database • Updated May 27, 2024

Package

silverstripe/framework (Composer)

Affected versions

>= 4.0.0-rc1, < 4.0.4

>= 4.1.0-rc1, < 4.1.1

Patched versions

4.0.4

4.1.1

Description

A carefully constructed malformed URL can be used to circumvent the offsite redirection protection used on BackURL parameters. This could lead to users entering sensitive data in malicious websites instead of the intended one.

References

Published to the GitHub Advisory Database May 27, 2024

Reviewed May 27, 2024

Last updated May 27, 2024

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

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