Known vulnerabilities in TinyMCE Custom Styles

Enhance TinyMCE visual editor with a dedicated stylesheet, a stylesheet shared with the frontend, and custom styles in the Formats dropdown.

2Reported vulnerabilities

5.5Highest CVSS score

1.1.5Latest version

7,000+Active installs

What to do now

Update TinyMCE Custom Styles to 1.1.4 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 29, 2024 / Tested up to WordPress: 6.5.10 / View on wordpress.org

This plugin has not been updated in over two years. New vulnerabilities may never be fixed. Consider an alternative.

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2023-2967	Medium 4.8	0.5%	Before 1.1.4	`1.1.4`	July 10, 2023
CVE-2023-23995	Medium 5.5	0.4%	1.1.2 and earlier	`1.1.3`	January 27, 2023

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.