The Sellsy plugin for WordPress has a security issue that allows hackers to insert harmful code into web pages. This can happen because the plugin does not properly check and clean the information given by users. As a result, attackers with certain levels of access can add their own code to pages, which will run whenever someone views the page.
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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