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Wp Meta Seo CVE-2023-1027

MEDIUM
Missing Authorization (CWE-862)
2023-02-28 security@wordfence.com
4.3
CVSS 3.1 · NVD
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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

2
Patch released
Apr 08, 2026 - 18:22 nvd
Patch available
CVE Published
Feb 28, 2023 - 13:15 nvd
MEDIUM 4.3

DescriptionCVE.org

The WP Meta SEO plugin for WordPress is vulnerable to unauthorized sitemap generation due to a missing capability check on the checkAllCategoryInSitemap function in versions up to, and including, 4.5.3. This makes it possible for authenticated attackers with subscriber-level access to obtain post categories. This vulnerability occurred as a result of the plugin relying on nonce checks as a means of access control, and that nonce being accessible to all authenticated users regardless of role.

AnalysisAI

The WP Meta SEO plugin for WordPress is vulnerable to unauthorized sitemap generation due to a missing capability check on the checkAllCategoryInSitemap function in versions up to, and including,. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. The WP Meta SEO plugin for WordPress is vulnerable to unauthorized sitemap generation due to a missing capability check on the checkAllCategoryInSitemap function in versions up to, and including, 4.5.3. This makes it possible for authenticated attackers with subscriber-level access to obtain post categories. This vulnerability occurred as a result of the plugin relying on nonce checks as a means of access control, and that nonce being accessible to all authenticated users regardless of role. Affected products include: Joomunited Wp Meta Seo.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.

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The WP Meta SEO plugin for WordPress is vulnerable to unauthorized sitemap generation due to a missing capability check

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CVE-2023-1027 vulnerability details – vuln.today

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