CVE-2023-1027 WP Meta SEO <= 4.5.3 - Missing Authorization in 'checkAllCategoryInSitemap'

What is CVE-2023-1027?

CVE-2023-1027 is a medium-severity missing authorization vulnerability in joomunited WP Meta SEO, published on 28 Feb 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2023-1027?

It affects 1 product.

Products include Joomunited Wp Meta Seo.

How do I fix CVE-2023-1027?

No fix has been published for CVE-2023-1027 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-1027 being exploited?

There is no known exploitation of CVE-2023-1027 in the wild and no public exploit code.

Other vulnerabilities in joomunited WP Meta SEO

• CVE-2023-1381 WP Meta SEO < 4.5.5 - Author+ PHAR Deserialization High 8.8
• CVE-2023-0875 WP Meta SEO < 4.5.3 - Subscriber+ SQLi High 8.8
• CVE-2023-6961 WP Meta SEO <= 4.5.12 - Unauthenticated Stored Cross-Site Scripting via Referer header High 7.2
• CVE-2024-45456 WordPress WP Meta SEO plugin <= 4.5.13 - Cross Site Scripting (XSS) vulnerability Medium 6.5
• CVE-2023-0876 WP Meta SEO < 4.5.3 - Subscriber+ Improper Authorization causing Arbitrary Redirect Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6qcj-7675-pvc9.