A plugin called “Osom Blocks” for WordPress has a security issue that allows hackers to inject harmful code into pages. This can happen if an attacker has Contributor-level access or higher. The problem is caused by the plugin not properly filtering and protecting the “class_name” parameter.
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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