CVE-2025-27270: 
WordPress vulnerability analysis and mitigation

The CVE-2025-27270 is a Missing Authorization vulnerability discovered in the Residential Address Detection WordPress plugin affecting versions through 2.5.4. The vulnerability was disclosed on March 3, 2025, and allows privilege escalation through unauthorized access (NVD, Patchstack).

The vulnerability has been assigned a CVSS v3.1 base score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. The issue is classified under CWE-862 (Missing Authorization) and allows unauthenticated attackers to perform arbitrary option updates that can lead to privilege escalation (Patchstack).

The vulnerability is considered highly dangerous and expected to become mass exploited. If successfully exploited, it could allow malicious actors to escalate their privileges from a low-privileged account to higher privileges, potentially leading to full control of the affected website (Patchstack).

The vulnerability has been fixed in version 2.5.5 of the Residential Address Detection plugin. Users are advised to update to version 2.5.5 or later immediately. Patchstack has issued a virtual patch to mitigate this issue by blocking any attacks until users update to a fixed version (Patchstack).