Summary
CVE-2026-66458 is an unauthenticated SQL injection (CWE-89) vulnerability in the RealPress real estate plugin for WordPress, developed by ThimPress. The flaw allows a remote, unauthenticated attacker to inject arbitrary SQL into database queries executed by the plugin. It carries a CVSS v3.1 base score of 9.3 (Critical), reflecting the lack of any authentication or user-interaction requirement combined with high confidentiality impact.
Technical details
- Root cause: Improper neutralization of user-supplied input before it is used in a SQL query (CWE-89), allowing attacker-controlled data to alter query logic.
- Trigger conditions: No authentication or prior access is required to reach the vulnerable code path.
- Attack vector: Network — an attacker can send crafted HTTP requests directly to the affected WordPress site.
- Impact: High confidentiality impact (unauthorized read access to database contents, e.g., user credentials, PII, session data) and low availability impact; no integrity impact is indicated by the CVSS vector.
Affected software
- RealPress (WordPress plugin/theme component) by ThimPress, versions ≤ 1.1.2 — this is also the current publicly released version at time of disclosure.
Severity
- CVSS v3.1 Base Score: 9.3 (Critical)
- Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
Mitigation and recommended actions
- Immediate: No patched RealPress version has been publicly released as of this writing (current released version remains 1.1.2, the last version listed as affected). Site owners should check the ThimPress changelog regularly and apply any update above 1.1.2 as soon as it becomes available.
- If no patch is available: Restrict or disable public access to the RealPress plugin’s front-end query endpoints where feasible, deploy a web application firewall (WAF) with SQL injection detection rules in front of the site, monitor database and web server logs for anomalous query patterns, and consider temporarily deactivating the RealPress plugin/theme on internet-facing WordPress installations until a fix is confirmed.

