Description
WordPress Plugin 123ContactForm for WordPress is prone to multiple vulnerabilities, including arbitrary file upload and security bypass vulnerabilities. Exploiting these issues could allow an attacker to upload arbitrary code and run it in the context of the webserver process, which may facilitate unauthorized access or privilege escalation, or to perform otherwise restricted actions and subsequently create arbitrary posts. WordPress Plugin 123ContactForm for WordPress version 1.5.6 is vulnerable; prior versions may also be affected.
Remediation
Disable the plugin until a fix is available
References
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