CVE-2025-49455: 
WordPress vulnerability analysis and mitigation

A Deserialization of Untrusted Data vulnerability (CVE-2025-49455) was discovered in LoftOcean TinySalt WordPress theme affecting versions before 3.10.0. The vulnerability was reported on May 25, 2025, and publicly disclosed on June 9, 2025. This security issue allows for Object Injection in the affected versions of the TinySalt theme (Patchstack).

The vulnerability is classified as a PHP Object Injection issue, stemming from Deserialization of Untrusted Data (CWE-502). The severity of this vulnerability is rated as Critical with a CVSS v3.1 score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating network accessibility, low attack complexity, and no required privileges or user interaction (Patchstack).

The vulnerability could allow malicious actors to execute code injection, SQL injection, path traversal, or denial of service attacks if a proper POP chain is present. The high CVSS score of 9.8 indicates that this vulnerability is highly dangerous and expected to become mass exploited (Patchstack).

Users are advised to update to TinySalt version 3.10.0 or later immediately to resolve the vulnerability. For temporary mitigation, Patchstack has issued a virtual patch to block potential attacks until users can update to the fixed version (Patchstack).