CVE-2025-53256: 
WordPress vulnerability analysis and mitigation

An SQL Injection vulnerability (CVE-2025-53256) was discovered in YayCommerce's YaySMTP WordPress plugin affecting versions through 2.6.5. The vulnerability was reported by Nguyen Kim Sang on May 20, 2025, and was publicly disclosed on June 27, 2025 (Patchstack).

The vulnerability is classified as an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') with a CVSS v3.1 base score of 7.6 (High). The attack vector is Network-based (AV:N) with Low attack complexity (AC:L), requiring High privileges (PR:H), and No user interaction (UI:N). The scope is Changed (S:C) with High impact on confidentiality (C:H), No impact on integrity (I:N), and Low impact on availability (A:L) (NVD).

The SQL Injection vulnerability could allow a malicious actor to directly interact with the database, potentially leading to unauthorized access to sensitive information. The vulnerability has a high impact on confidentiality while maintaining low impact on system availability (Patchstack).

The vulnerability requires administrator privileges to exploit, making it less likely to be exploited in the wild. The attack complexity is considered low, but the high privilege requirement serves as a significant barrier to exploitation (Patchstack).

As of the disclosure date, no official fix is available for this vulnerability. The security issue has been assessed as having a low severity impact and is considered unlikely to be exploited (Patchstack).