CVE-2026-27051

Critical

Published: 25 March 2026

Published

25 March 2026

Modified

24 April 2026

KEV Added

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Patch

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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0032 23.7th percentile

Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-27051 is a critical-severity Incorrect Privilege Assignment (CWE-266) vulnerability. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 23.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 AC-2 (Account Management) and AC-6 (Least Privilege).

Deeper analysis

CVE-2026-27051 is an Incorrect Privilege Assignment vulnerability (CWE-266) in the uxper Golo WordPress theme, which allows for privilege escalation. The issue affects Golo versions from n/a through 1.7.0 and was published on 2026-03-25.

With a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), the vulnerability can be exploited over the network by unauthenticated attackers with low complexity and no user interaction required. Successful exploitation enables privilege escalation, potentially granting high-impact access to confidentiality, integrity, and availability.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/golo/vulnerability/wordpress-golo-theme-1-7-0-privilege-escalation-vulnerability?_s_id=cve provides details on this privilege escalation vulnerability in the WordPress Golo theme version 1.7.0. Security practitioners should review it for recommended mitigations.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-15769

Vulnerability details

Incorrect Privilege Assignment vulnerability in uxper Golo golo allows Privilege Escalation.This issue affects Golo: from n/a through <= 1.7.0.

CWE(s): CWE-266

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

T1068 Exploitation for Privilege Escalation Privilege Escalation

Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.

attack.mitre.org →

Why these techniques?

Unauthenticated remote privilege escalation in public-facing WordPress theme directly enables T1190 (Exploit Public-Facing Application) for initial access and T1068 (Exploitation for Privilege Escalation) to obtain high privileges.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0