Cyber Resilience

CVE-2025-26956

High

Published: 27 March 2025

Published
27 March 2025
Modified
23 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
EPSS Score 0.0023 46.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26956 is a high-severity Missing Authorization (CWE-862) vulnerability. Its CVSS base score is 7.6 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 46.2th 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-3 (Access Enforcement) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-26956 is a Missing Authorization vulnerability (CWE-862) in the shinetheme Traveler WordPress theme. This issue affects Traveler versions from n/a through those prior to 3.2.1.

The vulnerability carries a CVSS v3.1 base score of 7.6 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H). Low-privileged users (PR:L) can exploit it remotely over the network with low attack complexity and without requiring user interaction, potentially resulting in low confidentiality and integrity impacts alongside high availability disruption.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/traveler/vulnerability/wordpress-traveler-theme-3-1-8-broken-access-control-vulnerability-2?_s_id=cve details the broken access control issue in the Traveler theme. Mitigation requires updating to Traveler version 3.2.1 or later.

EU & UK References

Vulnerability details

Missing Authorization vulnerability in shinetheme Traveler traveler.This issue affects Traveler: from n/a through < 3.2.1.

CWE(s)
CWE-862

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 →
Why these techniques?

Missing authorization (broken access control) vulnerability in a public-facing WordPress theme directly enables remote exploitation of the application by low-privileged users.

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

CVEs Like This One

CVE-2026-45209Shared CWE-862
CVE-2026-25026Shared CWE-862
CVE-2026-42083Shared CWE-862
CVE-2026-0656Shared CWE-862
CVE-2026-24532Shared CWE-862
CVE-2025-13603Shared CWE-862
CVE-2025-69063Shared CWE-862
CVE-2026-3045Shared CWE-862
CVE-2025-67956Shared CWE-862
CVE-2025-41765Shared CWE-862

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

AC-3 Access Enforcement good match
prevent

Directly mandates enforcement of approved authorizations for access to system resources, addressing the core missing authorization vulnerability in the Traveler theme.

SI-2 Flaw Remediation good match
prevent

Requires timely identification, reporting, and correction of flaws like this CVE through patching to Traveler version 3.2.1 or later.

AC-6 Least Privilege partial match
prevent

Enforces least privilege to restrict low-privileged users from exploiting the vulnerability for high availability impact or limited confidentiality/integrity effects.

References