CVE-2026-15341 | CVSS: 9.8 | 严重级别: CRITICAL
The User Session Synchronizer plugin for WordPress is vulnerable to Authentication Bypass leading to Account Takeover in all versions up to, and including, 1.4.0. The `synchronize_session()` function, hooked on `init` and therefore executed on every request, performs no nonce, capability, or shared-secret validation against the attacker-supplied `ussync-key`, `ussync-token`, and `ussync-ref` parameters; when `ussync-key` references an unregistered slot, `get_option()` returns `false` for both the secret key and the domain list, causing the AES-256-CBC encryption key to degrade to the fully pre
参考链接:
• https://plugins.trac.wordpress.org/browser/user-session-synchronizer/tags/1.4.0/
• https://plugins.trac.wordpress.org/browser/user-session-synchronizer/tags/1.4.0/
• https://plugins.trac.wordpress.org/browser/user-session-synchronizer/tags/1.4.0/
📌 数据来源: NVD 官方