Description
WordPress Plugin Calendar Event Multi View is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently create/delete arbitrary events. WordPress Plugin Calendar Event Multi View version 1.4.06 is vulnerable; prior versions may also be affected.
Remediation
Disable and remove the plugin until a fix is available
References
https://sploitus.com/exploit?id=WPEX-ID:5F191D25-833B-4D8D-A4FF-D180A326DD82
https://sploitus.com/exploit?id=WPEX-ID:95F92062-08CE-478A-A2BC-6D026ADF657C
https://wordpress.org/plugins/cp-multi-view-calendar/#description
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