flaskparser.py in Webargs 5.x through 5.5.2 doesn't check that the Content-Type header is application/json when receiving JSON input. If the request body is valid JSON, it will accept it even if the content type is application/x-www-form-urlencoded. This allows for JSON POST requests to be made across domains, leading to CSRF.
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T09:48:25.379Z

Reserved: 2020-01-24T00:00:00

Link: CVE-2020-7965

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-01-29T15:15:11.070

Modified: 2024-11-21T05:38:06.243

Link: CVE-2020-7965

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.