The Stop Spam Comments WordPress plugin through 0.2.1.2 does not properly generate the Javascript access token for preventing abuse of comment section, allowing threat authors to easily collect the value and add it to the request.

The WordPress Comments Fields WordPress plugin before 4.1 does not escape Field Error Message, which could allow high-privileged users to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

The Turn off all comments WordPress plugin through 1.0 does not sanitise and escape the rows parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting

Multiple (13x) Cross-Site Request Forgery (CSRF) vulnerabilities in WPKube's Subscribe To Comments Reloaded plugin <= 211130 on WordPress allows attackers to clean up Log archive, download system info file, plugin system settings, plugin options settings, generate a new key, reset all options, change notifications settings, management page settings, comment form settings, manage subscriptions > mass update settings, manage subscriptions > add a new subscription, update subscription, delete Subscription.

The Social comments by WpDevArt WordPress plugin before 2.5.0 does not sanitise and escape its settings, allowing high privilege users such as admin to perform cross-Site Scripting attacks even when unfiltered_html is disallowed

The Good & Bad Comments WordPress plugin through 1.0.0 does not sanitise and escape its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Numerous Plugins and Themes from the AccessPress Themes (aka Access Keys) vendor are backdoored due to their website being compromised. Only plugins and themes downloaded via the vendor website are affected, and those hosted on wordpress.org are not. However, all of them were updated or removed to avoid any confusion

The Delete All Comments Easily WordPress plugin through 1.3 is lacking Cross-Site Request Forgery (CSRF) checks, which could result in an unauthenticated attacker making a logged in admin delete all comments from the blog.

The Edit Comments XT WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/edit-comments-xt.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.

An issue was discovered in CommentsService.ashx in OnyakTech Comments Pro 3.8. The comment posting functionality allows an attacker to add an XSS payload to the JSON request that will execute when users visit the page with the comment.