CVE-2026-39546 Techspawn CVE debrief

Who should care

Administrators and security teams using or managing WordPress installations with the MultiLoca plugin (version 4.2.15 or earlier) should be aware of this vulnerability. Given the HIGH severity and potential for privilege escalation, immediate attention is necessary to prevent exploitation.

Technical summary

CVE-2026-39546 is a subscriber privilege escalation vulnerability in MultiLoca, a WordPress plugin for managing multiple locations. The vulnerability has a CVSS Score of 7.6 and is classified as HIGH severity. It affects MultiLoca versions up to 4.2.15. The Common Weakness Enumeration (CWE) for this vulnerability is CWE-266. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L, indicating a network attack vector with low attack complexity and privileges required.

Defensive priority

HIGH

Recommended defensive actions

• Update MultiLoca to the latest version if available.
• Review and restrict subscriber privileges in WordPress installations using MultiLoca.
• Monitor WordPress and MultiLoca logs for suspicious activity.
• Implement a Web Application Firewall (WAF) to detect and prevent exploitation attempts.
• Regularly update and patch all WordPress plugins and themes.
• Consider using a security plugin for WordPress to enhance protection.

Evidence notes

The information provided is based on data from official sources, including the CVE.org and NVD. The CVE record and NVD detail provide essential information for understanding and mitigating this vulnerability. Additional details can be found in the Patchstack reference.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.