The WP Custom HTML Page WordPress plugin through 0.6.2 does not sanitise HTML stored through one of its custom page handlers, nor restrict it to users allowed to post unfiltered HTML, allowing users with the Author role to store JavaScript that is served unescaped at a public URL and executes for any visitor, including administrators.

The MailerSend WordPress plugin before 1.0.8 does not perform a nonce check on its configuration-delete action (it verifies the manage_options capability but ignores the nonce), so an attacker can trick a logged-in administrator into visiting a crafted page that wipes the MailerSend WordPress plugin before 1.0.8's SMTP configuration and deactivates the MailerSend WordPress plugin before 1.0.8, breaking the site's email delivery.

The WP-Optimize plugin for WordPress is vulnerable to unauthorized access of functionality due to missing capability checks in the `receive_heartbeat()` function in `includes/class-wp-optimize-heartbeat.php` in all versions up to, and including, 4.5.0. This is due to the Heartbeat handler directly invoking `Updraft_Smush_Manager_Commands` methods without verifying user capabilities, nonce tokens, or the allowed commands whitelist that the normal AJAX handler (`updraft_smush_ajax`) enforces. This makes it possible for authenticated attackers, with Subscriber-level access and above, to invoke ad

The Orbit Fox: Duplicate Page, Menu Icons, SVG Support, Cookie Notice, Custom Fonts & More WordPress plugin before 3.0.9 does not validate a user-supplied HTML tag name in one of its Beaver Builder widgets before echoing it into the rendered markup, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor views the affected page.

The wpForo Forum WordPress plugin before 3.1.2 does not sanitize and escape a user profile field before outputting it inside an HTML attribute on the public participant profile page, allowing users with a subscriber-level account to inject JavaScript that executes in the browser of any visitor who views the profile, including a logged-in administrator.

The Paid Membership Subscriptions WordPress plugin before 3.0.8 does not verify that the subscription being modified through its change-subscription checkout belongs to the current user, allowing any authenticated user with Subscriber-level access and above to take over another member's subscription and overwrite its plan, status and expiration.

The Newsletters WordPress plugin before 4.17 does not perform any nonce or capability check when saving one of its settings screens, and writes every submitted parameter into its own options, allowing attackers to make a logged in administrator overwrite arbitrary Newsletters WordPress plugin before 4.17 settings, including the credential protecting its API, via a Cross-Site Request Forgery attack.

The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged membership level.

The Saitama Addon Pack WordPress plugin through 1.0.8 does not sanitise and escape certain post metadata values before outputting them, allowing users with contributor-level access and above to inject stored Cross-Site Scripting payloads that execute in the browser of a higher-privileged user who reviews the content.

The WP Job Portal WordPress plugin before 2.5.5 does not perform capability or ownership checks before allowing job moderation actions, allowing authenticated users with a subscriber-level (self-registerable) account to approve, feature, or reject arbitrary jobs, including those owned by other users.

The Frontend File Manager Plugin WordPress plugin through 23.6 does not perform nonce validation on one of its file-metadata update actions, allowing an attacker to modify the metadata of a logged-in user's uploaded file via a CSRF attack, which can be leveraged to download that file. When guest uploads are enabled, the same action is reachable unauthenticated against any user's file.

The WP Maps WordPress plugin before 4.9.8 does not perform a capability check, nor validate a nonce, in one of its AJAX actions, allowing users with a Subscriber account to create an unlimited number of options in the database, each of which is loaded on every page request.

The Slick Slider WordPress plugin before 0.5.3 does not sanitize and escape a shortcode attribute value before outputting it in an HTML attribute, allowing users with the Contributor role and above to perform Stored Cross-Site Scripting attacks that execute when a user views the affected post.

The ThumbPress WordPress plugin before 6.2.2 does not perform a capability check on one of its AJAX actions, allowing authenticated users with subscriber-level access or higher to deactivate the ThumbPress WordPress plugin before 6.2.2, disrupting the site's image-handling functionality.

The WP Fusion Lite WordPress plugin before 3.48.0 does not perform a capability check on two of its admin AJAX handlers, allowing any authenticated subscriber to read other users' email addresses and to trigger a cross-user CRM re-sync.

The YMC Filter WordPress plugin before 3.12.8 does not sanitize and escape a layout builder setting before outputting it on a public endpoint, and does not verify object ownership when the setting is saved, allowing users with the Contributor role and above to store JavaScript that executes in the browser of any visitor viewing an affected filter.

The WP Ghost (Hide My WP Ghost) WordPress plugin before 7.0.05 does not verify that client IP information comes from a trusted proxy before trusting attacker-controllable HTTP headers, allowing unauthenticated attackers to spoof their IP address to bypass the WP Ghost (Hide My WP Ghost) WordPress plugin before 7.0.05's own brute-force protection and to downgrade its firewall by matching a hardcoded whitelisted IP range.

The Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 does not properly verify authorization on the object being modified when quick-editing events, only checking a global capability, allowing users with the Contributor role and above to modify the title and publication status of arbitrary posts and pages on the site, including content they do not own.

The Ecwid by Lightspeed Ecommerce Shopping Cart WordPress plugin before 7.0.9 does not perform a capability check or nonce verification on one of its store-management actions, allowing any authenticated user, such as a subscriber, to disconnect the store and take the storefront offline until an administrator reconnects it.

The Meow Gallery WordPress plugin before 5.5.2 does not escape an attachment's alt text before outputting it into an attribute of the link it builds for linked galleries, allowing users with the Author role or above to store a JavaScript payload that executes in the browser of any visitor (including administrators) who views a post containing such a gallery.