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Yii Incorrectly Implements CORS

Moderate severity GitHub Reviewed Published May 14, 2022 to the GitHub Advisory Database • Updated Aug 28, 2023

Package

composer yiisoft/yii2 (Composer)

Affected versions

< 2.0.16

Patched versions

2.0.16

Description

Yii 2.x through 2.0.15.1 actively converts a wildcard CORS policy into reflecting an arbitrary Origin header value, which is incompatible with the CORS security design, and could lead to CORS misconfiguration security problems.

References

Published by the National Vulnerability Database Jan 28, 2019
Published to the GitHub Advisory Database May 14, 2022
Reviewed Aug 28, 2023
Last updated Aug 28, 2023

Severity

Moderate
5.9
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

CVE ID

CVE-2018-20745

GHSA ID

GHSA-cr6r-6xm9-ww22

Source code

No known source code
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