CVE-2018-20745
MEDIUMYii 2.x through 2.0.15.1 - Origin Validation Error in CORS Policy Handling
Title source: llmDescription
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 (2)
Core 2
Core References
Third Party Advisory x_refsource_misc
https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-chen.pdf
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/yiisoft/yii2/issues/16193
Scores
CVSS v3
5.9
EPSS
0.0054
EPSS Percentile
41.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-346
Status
published
Products (2)
yiiframework/yii
2.0 - 2.0.15.1
yiisoft/yii2
0 - 2.0.16Packagist
Published
Jan 28, 2019
Tracked Since
Feb 18, 2026