WordPress versions before 4.2.3 have a security vulnerability which can allow malicious users with certain privileges to inject harmful web scripts or HTML into the site. This involves the use of a special code (called a shortcode) placed inside HTML elements. This vulnerability can be found in the wp-includes/kses.php and wp-includes/shortcodes.php files.
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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