What is the CVSS score of CVE-2026-0687?

CVE-2026-0687 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of WordPress are affected by CVE-2026-0687?

Organizations using all should be aware of moderate risk from CVE-2026-0687, a missing authorization vulnerability rated CVSS 4.3. Attackers could gain access beyond their authorized level.

How to fix or mitigate CVE-2026-0687?

Within 30 days: Identify affected systems running all and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

WordPress CVE-2026-0687

MEDIUM

Missing Authorization (CWE-862)

2026-01-24 security@wordfence.com

WordPress

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:59 vuln.today

CVE Published

Jan 24, 2026 - 09:15 nvd

MEDIUM 4.3

DescriptionCVE.org

The Meta-box GalleryMeta plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'mb_gallery' custom post type in all versions up to, and including, 3.0.1. This makes it possible for authenticated attackers, with Author-level access and above, to create and publish galleries.

AnalysisAI

The Meta Box GalleryMeta WordPress plugin through version 3.0.1 fails to enforce proper capability checks on the 'mb_gallery' custom post type, allowing authenticated users with Author-level or higher privileges to create and publish galleries without authorization. This insufficient access control could enable low-privileged attackers to modify gallery content and bypass intended editorial workflows.

Technical ContextAI

Classified as CWE-862 (Missing Authorization). Affects Meta-box GalleryMeta (WordPress plugin). The Meta-box GalleryMeta plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'mb_gallery' custom post type in all versions up to, and including, 3.0.1. This makes it possible for authenticated attackers, with Author-level access and above, to create and publish galleries.

Affected ProductsAI

Vendor: WordPress. Product: Meta-box GalleryMeta (WordPress plugin).

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

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CVE-2026-0687 vulnerability details – vuln.today

Back

WordPress CVE-2026-0687

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

More in WordPress

Same weakness CWE-862 – Missing Authorization

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External POC / Exploit Code