If a security flaw is discovered in v3.12.5.1, you will not receive the patched version. This makes your site an easy target for hackers. 3. Missing Functionality

WordPress plugins require frequent updates for security patches and new WordPress compatibility. Nulled versions cannot update automatically [1].

Use reputable free caching plugins from the WordPress repository, such as W3 Total Cache , WP Super Cache , or LiteSpeed Cache [1].