The Newsletters plugin used in WordPress is at risk of a security issue called Command Injection. This can happen in any version up to 4.9.2 when the emailarchive_olderthan parameter is used. The problem is that the plugin does not properly check the input it receives from users, which allows attackers with administrator-level access to run code 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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