The Puzzles theme for WordPress is vulnerable to Stored Cross-Site Scripting via shortcodes in versions up to, and including, 4.2.6 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The Puzzles | WP Magazine / Review with Store WordPress Theme + RTL theme for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 4.2.4 via deserialization of untrusted input 'viewmoreposts' AJAX action. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present. The developer opted to remove the software from the repository, so an update is not available and it is recommended to find a replacement software.

The Puzzles | WP Magazine / Review with Store WordPress Theme + RTL theme for WordPress is vulnerable to Stored Cross-Site Scripting due to a missing capability check on the 'themeoptionsajaxpostaction' AJAX action in all versions up to, and including, 4.2.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update the plugin's settings and inject malicious web scripts. The developer opted to remove the software from the repository, so an update is not available and it is recommended to find a replacement software.