The TinyMCE Custom Styles plugin for WordPress has a security issue that affects certain versions. It allows someone with administrative-level access to add malicious code to a page. This code will run when someone visits that page. This affects multi-site installations and sites where certain types of HTML have been disabled. Versions up to and including 1.1.2 are vulnerable.
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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