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Reflected XSS when importing CSV files via the ImportExportController

Low
LukeTowers published GHSA-gg6x-xx78-448c Jun 2, 2020

Package

composer october/backend (Composer)

Affected versions

>= 1.0.319, < 1.0.466

Patched versions

1.0.466

Description

Impact

A user with the ability to use the import functionality of the ImportExportController behavior could be socially engineered by an attacker to upload a maliciously crafted CSV file which could result in a reflected XSS attack on the user in question

Patches

Issue has been patched in Build 466 (v1.0.466).

Workarounds

Apply cd0b6a7 to your installation manually if unable to upgrade to Build 466.

References

Reported by Sivanesh Ashok

For more information

If you have any questions or comments about this advisory:

Threat assessment:

Screen Shot 2020-03-31 at 2 01 52 PM

Severity

Low

CVE ID

CVE-2020-5298

Weaknesses

No CWEs

Credits