The YITH WooCommerce Gift Cards WordPress plugin through 4.39.0 does not reconcile the value of a gift card it issues against the amount actually paid for it, instead crediting the new card with the item's pre-discount price, which allows customers to apply an ordinary store coupon at checkout and receive a gift card worth more than they paid.

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in YITH YITH WooCommerce Subscription yith-woocommerce-subscription allows Retrieve Embedded Sensitive Data.This issue affects YITH WooCommerce Subscription: from n/a through 4.22.0.

The YITH WooCommerce Gift Cards WordPress plugin before 4.38.1 does not lock or atomically update a gift card's balance when it is redeemed at checkout, allowing an attacker who holds a gift card code to spend more than its funded value by submitting multiple checkouts for the same code at the same time.

Missing Authorization vulnerability in YITH YITH PayPal Express Checkout for WooCommerce yith-paypal-express-checkout-for-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects YITH PayPal Express Checkout for WooCommerce: from n/a through 1.62.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in YITH YITH WooCommerce Wishlist yith-woocommerce-wishlist allows Stored XSS.This issue affects YITH WooCommerce Wishlist: from n/a through 4.18.1.

Missing Authorization vulnerability in YITH YITH WooCommerce Product Bundles yith-woocommerce-product-bundles allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects YITH WooCommerce Product Bundles: from n/a through 2.29.0.

Missing Authorization vulnerability in YITH YITH PayPal Express Checkout for WooCommerce yith-paypal-express-checkout-for-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects YITH PayPal Express Checkout for WooCommerce: from n/a through 1.61.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in YITH YITH WooCommerce Compare yith-woocommerce-compare allows Stored XSS.This issue affects YITH WooCommerce Compare: from n/a through 3.15.0.

The YITH WooCommerce Popup WordPress plugin before 1.60.0 does not check the capability of the requesting user before deleting post meta, allowing users with the Contributor role and above to delete arbitrary post meta from any post, including content owned by higher-privileged users.

Deserialization of Untrusted Data vulnerability in YITH YITH WooCommerce Affiliates yith-woocommerce-affiliates allows Object Injection.This issue affects YITH WooCommerce Affiliates: from n/a through 3.31.0.

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in YITH YITH WooCommerce Product Add-Ons allows Retrieve Embedded Sensitive Data.

This issue affects YITH WooCommerce Product Add-Ons: from n/a through 4.34.0.

Missing Authorization vulnerability in YITH YITH WooCommerce Product Bundles yith-woocommerce-product-bundles allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects YITH WooCommerce Product Bundles: from n/a through 2.29.0.

Author Cross Site Scripting (XSS) in YITH WooCommerce Tab Manager <= 2.15.0 versions.

Unauthenticated Cross Site Scripting (XSS) in YITH WooCommerce Ajax Search <= 2.28.0 versions.

Cross-Site request forgery (CSRF) vulnerability in YITH YITH WooCommerce Product Slider Carousel allows Cross Site Request Forgery.

This issue affects YITH WooCommerce Product Slider Carousel: from n/a through 1.16.0.

Authorization Bypass Through User-Controlled Key vulnerability in YITH YITH WooCommerce Request A Quote allows Exploiting Incorrectly Configured Access Control Security Levels.

This issue affects YITH WooCommerce Request A Quote: from n/a before 4.46.1.

The YITH WooCommerce Waitlist Premium plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 3.35.0. This is due to the adduserinwaitinglist() function registered on the wpajaxyithwcwtladduser action being missing both a capability check and a nonce verification, and using parsestr() + extract() to import attacker-controlled variables from $POST['params'] that are then passed to wpcreateuser() and $user->setrole(). This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to that of an administrator by creating a new user account and assigning it the administrator role.

Unauthenticated Broken Access Control in YITH Request a Quote for WooCommerce Premium < 4.46.0 versions.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YITH YITH WooCommerce Product Add-Ons allows Blind SQL Injection.

This issue affects YITH WooCommerce Product Add-Ons: from n/a through 4.29.0.

The YITH WooCommerce Ajax Search plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘item’ parameter in versions up to, and including, 2.4.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Missing Authorization vulnerability in YITH YITH WooCommerce Gift Cards Premium.This issue affects YITH WooCommerce Gift Cards Premium: from n/a through 3.23.1.

Cross-Site Request Forgery (CSRF) vulnerability in YITHEMES YITH PayPal Express Checkout for WooCommerce allows Cross Site Request Forgery. This issue affects YITH PayPal Express Checkout for WooCommerce: from n/a through 1.49.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in YITHEMES YITH WooCommerce Product Add-Ons yith-woocommerce-product-add-ons allows Reflected XSS.This issue affects YITH WooCommerce Product Add-Ons: from n/a through <= 4.13.0.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in YITHEMES YITH WooCommerce Ajax Search yith-woocommerce-ajax-search.This issue affects YITH WooCommerce Ajax Search: from n/a through <= 2.8.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in YITHEMES YITH WooCommerce Ajax Product Filter yith-woocommerce-ajax-navigation.This issue affects YITH WooCommerce Ajax Product Filter: from n/a through <= 5.1.0.

Missing Authorization vulnerability in YITHEMES YITH WooCommerce Waiting List yith-woocommerce-waiting-list allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects YITH WooCommerce Waiting List: from n/a through <= 2.13.0.

The YITH WooCommerce Wishlist WordPress plugin before 4.13.0 does not properly validate wishlist ownership in the savetitle() AJAX handler before allowing wishlist renaming operations. The function only checks for a valid nonce, which is publicly exposed in the page source of the /wishlist/ page, making it possible for unauthenticated attackers to rename any wishlist belonging to any user on the site.

The YITH WooCommerce Gift Cards plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'savemailstatus' and 'saveemailsettings' functions in all versions up to, and including, 4.12.0. This makes it possible for unauthenticated attackers to modify WooCommerce settings.

The YITH WooCommerce Wishlist plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.10.0 via the REST API endpoint and AJAX handler due to missing validation on user-controlled keys. This makes it possible for unauthenticated attackers to discover any user's wishlist token ID, and subsequently rename the victim's wishlist without authorization (integrity impact). This can be exploited to target multi-user stores for defacement, social engineering attacks, mass tampering, and profiling at scale.

The YITH WooCommerce Wishlist plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘id’ parameter in all versions up to, and including, 4.5.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.