CVE-2026-67355

A flaw was found in guzzlehttp/guzzle. The software does not correctly enforce the "host-only" scope for cookies, which means it stores the request host in the cookie's domain field instead of restricting the cookie to the exact host. This vulnerability could allow an attacker who controls a...

CVE-2023-23849

Versions of Coverity Connect prior to 2022.12.0 are vulnerable to an unauthenticated Cross-Site Scripting vulnerability. Any web service hosted on the same sub domain can set a cookie for the whole subdomain which can be used to bypass other mitigations in place for malicious purposes...

CVE-2025-27794

Flarum is open-source forum software. A session hijacking vulnerability exists in versions prior to 1.8.10 when an attacker-controlled authoritative subdomain under a parent domain e.g., subdomain.host.com sets cookies scoped to the parent domain .host.com. This allows session token replacement f...

CVE-2023-23849

Versions of Coverity Connect prior to 2022.12.0 are vulnerable to an unauthenticated Cross-Site Scripting vulnerability. Any web service hosted on the same sub domain can set a cookie for the whole subdomain which can be used to bypass other mitigations in place for malicious purposes...