EUVD-2026-88239

An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request...

CVE-2026-18825

The connect-xcors npm package contains an Origin Validation Error within its middleware. This flaw allows an attacker to bypass origin verification , potentially enabling the execution of cross-domain authenticated requests . The vulnerability has a CVSS 4.0 base score of 5.3 (MEDIUM) . No specif...

CVE-2026-18825 Origin validation error in the connect-xcors npm package

An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request...

CVE-2026-18825 Origin validation error in the connect-xcors npm package

An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request...

CVE-2026-18825: Origin Validation Error

An Origin Validation Error in the middleware of the connect-xcors npm package allows an attacker to bypass origin verification and perform a cross domain authenticated request...

PT-2026-99874

Name of the Vulnerable Software and Affected Versions connect-xcors npm package affected versions not specified Description An origin validation error in the middleware allows an attacker to bypass origin verification. This flaw enables the execution of cross-domain authenticated requests, which...

CVE-2026-100646: Origin Validation Error

SiYuan is a self-hosted personal knowledge management system. In versions up to and including 3.8.3, the kernel's authentication guards CheckAuth in kernel/model/session.go and IsSessionOriginAllowed in kernel/util/net.go fail open when the HTTP Origin header is absent, on the incorrect assumptio...

CVE-2026-100598: Origin Validation Error

OpenClaw npm package openclaw before 2026.7.1 incorrectly binds Signal approval reactions. In affected versions, a reaction intended to resolve a structured approval request could instead attach to ordinary outbound text when unrelated outbound messages and a pending approval are present in the...

CVE-2026-85682

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

CVE-2026-85682 YOP Poll <= 7.0.10 - Unauthenticated Origin Validation Error to Administrator Account Takeover via '/auth/wp-login-redirect' REST Route

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

EUVD-2026-85816

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

CVE-2026-85682 YOP Poll <= 7.0.10 - Unauthenticated Origin Validation Error to Administrator Account Takeover via '/auth/wp-login-redirect' REST Route

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

CVE-2026-85682

The YOP Poll plugin for WordPress (versions up to and including 7.0.10 ) is vulnerable to an Origin Validation Error . The root cause is the plugin transmitting a wp_rest nonce to window.opener via postMessage() using a wildcard targetOrigin . This allows an unauthenticated attacker to steal a RE...

PT-2026-97734

Name of the Vulnerable Software and Affected Versions YOP Poll versions prior to 7.0.11 Description The plugin contains an origin validation error where it transmits a wp rest nonce to window.opener using the postMessage function with a wildcard targetOrigin. This allows unauthenticated attackers...

CVE-2026-85682: Origin Validation Error

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

CVE-2026-91132: Origin Validation Error

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, sites using wildcard patterns in the allowediframes setting could accept a crafted iframe URL whose allowlisted suffix appeared after a URL authority separator. The wildcard origin check matched...

CVE-2026-97155: Origin Validation Error

Fabasoft Folio Client before 2026, a locally installed component that communicates with the Fabasoft browser extension via web messaging, does not restrict which web origins may invoke its functions by default. The registry value VALIDDOMAINS, which limits permitted origins, was optional and empt...

CVE-2026-67405

RabbitMQ messaging and streaming broker versions prior to 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0 are vulnerable to a Cross-Site WebSocket Hijacking (CSWH) attack. The Web-MQTT handler and Web-STOMP handler fail to validate the Origin header during a WebSocket upgrade. If non-default configurat...

WordPress YOP Poll plugin <= 7.0.10 - Unauthenticated Origin Validation Error to Administrator Account Takeover vulnerability

Unauthenticated Origin Validation Error to Administrator Account Takeover vulnerability discovered by Supakiad S. m3ez in WordPress Plugin YOP Poll versions = 7.0.10...

Origin Validation Error

Overview Affected versions of this package are vulnerable to Origin Validation Error in the RefererFilter process. An attacker can bypass security checks by providing weaker-than-origin evidence in HTTP requests. Remediation Upgrade org.apache.sling:org.apache.sling.security to version 1.3.2 or...