xss2shell

XSS2Shell — WordPress Pre-Auth XSS → RCE Chain PoC CVE-2026...

CVE-2026-18960

The Block User Account WordPress plugin before 2.0.1 does not enforce its account block on every authentication path, allowing a blocked user who holds an application password created before the block to retain their full role-level read and write access through the REST API...

CVE-2026-17541

The File Manager WordPress plugin before 6.9.1 does not have authorisation checks on one of its REST API routes, allowing unauthenticated users to read its file activity log, disclosing the file operations performed on the site, the paths involved and the name of the user who performed them...

CVE-2026-17018

The CubeWP Framework WordPress plugin through 1.1.30 does not perform a per-object read authorization check, nor restrict which metadata keys may be requested, on one of its REST API endpoints, allowing users with the Contributor role and above to read arbitrary post metadata including that of...

CVE-2026-17020 Salon Booking System – Free Version <= 10.31.0 - Subscriber+ Arbitrary Booking PII Disclosure

The Salon Booking System WordPress plugin through 10.31.0 does not verify that a requested booking belongs to the caller on one of its REST API endpoints, requiring only a basic read capability, allowing any authenticated user including a Subscriber or self-registered customer account to disclose...

CVE-2026-17020 Salon Booking System – Free Version <= 10.31.0 - Subscriber+ Arbitrary Booking PII Disclosure

The Salon Booking System WordPress plugin through 10.31.0 does not verify that a requested booking belongs to the caller on one of its REST API endpoints, requiring only a basic read capability, allowing any authenticated user including a Subscriber or self-registered customer account to disclose...

EUVD-2026-55011

The Block User Account WordPress plugin before 2.0.1 does not enforce its account block on every authentication path, allowing a blocked user who holds an application password created before the block to retain their full role-level read and write access through the REST API...

CVE-2026-17018

The CVE-2026-17018 affects the CubeWP Framework WordPress plugin up to version 1.1.30. The REST API endpoint does not perform per-object read authorization and does not restrict which metadata keys may be requested, enabling users with the Contributor role or higher to read arbitrary post metadat...

CVE-2026-17541

The File Manager WordPress plugin before 6.9.1 does not have authorisation checks on one of its REST API routes, allowing unauthenticated users to read its file activity log, disclosing the file operations performed on the site, the paths involved and the name of the user who performed them...

The vulnerability of the REST API interface implementation of the Splunk Enterprise platform for operational analysis allows a perpetrator to disclose protected information.

The vulnerability of the REST API implementation of the Splunk Enterprise platform for operational analysis is related to insufficient protection of sensitive data when the |rest command is executed. Exploiting this vulnerability allows a malicious actor to disclose sensitive information by sendi...

CVE-2026-18037

CVE-2026-18037 affects the Create WordPress plugin prior to 2.5.4. The vulnerability arises because a public REST API route does not perform an authorization check, and the route’s side effect publishes the requested content. This allows unauthenticated attackers to read unpublished content and t...

CVE-2026-16992

The Create WordPress plugin before 2.5.4 does not perform an authorization check before returning content over one of its REST API routes, and that route additionally publishes the requested content as a side effect, allowing unauthenticated attackers to read unpublished content and to make it...

CVE-2026-52880

Klever-Go is the Go implementation of the Klever blockchain protocol. Versions from 1.7.14 through 1.7.17 are vulnerable to a remotely triggerable denial of service. Both REST APIs are started with the Gin Engine.Run convenience method, which serves requests through Go's default HTTP server with ...

CVE-2026-52880 Klever-Go: REST API slow-header connection exhaustion via Gin Engine.Run

Klever-Go is the Go implementation of the Klever blockchain protocol. Versions from 1.7.14 through 1.7.17 are vulnerable to a remotely triggerable denial of service. Both REST APIs are started with the Gin Engine.Run convenience method, which serves requests through Go's default HTTP server with ...

CVE-2026-69127

Kirby (open-source CMS) has a REST API flaw where, prior to 4.9.5 and from 5.0.0 through 5.5.1, the API error handler can return unsanitized PHP error messages that reveal the full filesystem path of the Kirby installation to unauthenticated API users. The issue affects all sites that have not di...

WordPress REST API Log plugin <= 1.7.1 - Sensitive Data Exposure vulnerability

Sensitive Data Exposure vulnerability discovered by Aydan Arabadzha in WordPress Plugin REST API Log versions = 1.7.1...

CVE-2026-14943

The Password Protected — Lock Entire Site, Pages, Posts, Categories, and Partial Content WordPress plugin before 2.8.4 does not restrict REST API access to authenticated users when a specific option is enabled, allowing unauthenticated visitors to bypass the sitewide password gate and read...

CVE-2026-14943 Password Protected < 2.8.4 - Unauthenticated Sensitive Information Exposure via REST API

The Password Protected — Lock Entire Site, Pages, Posts, Categories, and Partial Content WordPress plugin before 2.8.4 does not restrict REST API access to authenticated users when a specific option is enabled, allowing unauthenticated visitors to bypass the sitewide password gate and read...

EUVD-2026-54209

The System REST API accepts user-supplied file uploads without enforcing sufficient validation on the file type or destination, allowing files to be written to arbitrary server-accessible locations. Exploitation requires authenticated administrative access with publisher privileges. Successful...

EUVD-2026-54195

The CoCart WordPress plugin before 4.9.0 does not validate a user-supplied price value against the actual product price when items are added to the cart through one of its public REST API endpoints, allowing unauthenticated users to set arbitrary product prices and complete WooCommerce orders at...