CVE-2025-52827: 
WordPress vulnerability analysis and mitigation

A Deserialization of Untrusted Data vulnerability (CVE-2025-52827) was discovered in uxper Nuss theme affecting versions through 1.3.3. The vulnerability was disclosed on June 27, 2025, and was reported by security researcher Frank. The issue affects the WordPress Nuss theme, which is a popular content management system theme (Patchstack).

The vulnerability is classified as a PHP Object Injection issue with a CVSS v3.1 Base Score of 8.8 (HIGH), with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is tracked under CWE-502 (Deserialization of Untrusted Data) (NVD, Patchstack).

The vulnerability could allow a malicious actor to execute code injection, SQL injection, path traversal, and denial of service attacks if a proper POP chain is present. The high CVSS score indicates that this vulnerability has significant potential impact on the confidentiality, integrity, and availability of affected systems (Patchstack).

Currently, there is no official fix available for this vulnerability. Patchstack has issued a virtual patch to mitigate this issue by blocking any attacks until an official fix becomes available. Website administrators are advised to implement the virtual patch immediately to protect their systems (Patchstack).