CVE-2025-31561: 
WordPress vulnerability analysis and mitigation

The CVE-2025-31561 is a SQL Injection vulnerability discovered in the WordPress Ultimate Push Notifications plugin affecting versions up to 1.1.8. The vulnerability was reported by security researcher Trương Hữu Phúc on January 31, 2025, and was publicly disclosed on March 31, 2025. This security flaw allows for improper neutralization of special elements used in SQL commands (Patchstack, NVD).

The vulnerability has been assigned a CVSS v3.1 base score of 8.5 (High), with the following vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L. The vulnerability is classified as CWE-89 (Improper Neutralization of Special Elements used in an SQL Command). The attack requires low attack complexity and low privileges (Subscriber level access) to exploit (Patchstack).

This SQL injection vulnerability could allow malicious actors to directly interact with the database, potentially leading to unauthorized access to sensitive information. The CVSS scoring indicates high confidentiality impact and low availability impact, with no integrity impact (Patchstack).

As of the disclosure date, no official fix is available for this vulnerability. Patchstack has issued a virtual patch to mitigate the issue by blocking potential attacks until an official fix becomes available. Website owners are advised to implement the virtual patch immediately to protect their installations (Patchstack).