The Popup by Supsystic WordPress plugin before version 1.10.9 had a security issue that could let unauthenticated attackers access the email addresses of people who had subscribed. This was because the plugin did not have any protection in place to make sure only authorised users could use it.
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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