Unauthorized Data Access in WP Meta SEO Plugin by WordPress
CVE-2023-1026

4.3MEDIUM

Key Information:

Vendor

Wordpress
Status
WP Meta SEO
Vendor
CVE Published:
28 February 2023

What is CVE-2023-1026?

The WP Meta SEO plugin for WordPress has a vulnerability that allows authenticated attackers, even those with only subscriber-level access, to gain unauthorized access to post listings by category. This issue arises from a missing capability check in the listPostsCategory function, which enables access to published posts without proper permissions. The reliance on nonce checks for access control is insufficient, as these nonces are accessible to all authenticated users, regardless of their assigned role.

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Deploy the Patch

Affected Version(s)

WP Meta SEO * <= 4.5.3

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/2870465/wp-m...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Marco Wotschka
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