The Contact Form by Supsystic plugin for WordPress has a security issue that allows hackers to run code on a website. This is a problem in all versions up to and including 1.7.28. The issue is caused by a vulnerability called server-side template injection (SSTI). It means that someone with administrator-level access to the website can enter code and make it run on the server.
This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!
Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:
> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21
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