CVE-2023-1027

Summary

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 Software

Weaknesses

• CWE-862: CWE-862 Missing Authorization

ADP Enrichment

CVE Program Container

Additional References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/4f589e21-7417-4b43-b580-4f1d3c2041f4
• https://plugins.trac.wordpress.org/changeset/2870465/wp-meta-seo/trunk?contextall=1&old=2869205&old_path=%2Fwp-meta-seo%2Ftrunk#file2
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2870465%40wp-meta-seo&new=2870465%40wp-meta-seo&sfp_email=&sfph_mail=

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/4f589e21-7417-4b43-b580-4f1d3c2041f4?source=cve
• https://plugins.trac.wordpress.org/changeset/2870465/wp-meta-seo/trunk?contextall=1&old=2869205&old_path=%2Fwp-meta-seo%2Ftrunk#file2
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2870465%40wp-meta-seo&new=2870465%40wp-meta-seo&sfp_email=&sfph_mail=

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