{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"WP Meta SEO","vendor":"joomunited","versions":[{"lessThanOrEqual":"4.5.3","status":"affected","version":"0","versionType":"semver"}]}],"source":"security@wordfence.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:joomunited:wp_meta_seo:*:*:*:*:*:wordpress:*:*","matchCriteriaId":"4E214F57-89F8-4B8B-AF7A-7104AF2A1794","versionEndIncluding":"4.5.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"id":"CVE-2023-1027","lastModified":"2026-06-17T05:26:55.680","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":1.4,"source":"security@wordfence.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":1.4,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2023-1027","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-01-13T16:25:57.020994Z","version":"2.0.3"}}]},"published":"2023-02-28T13:15:10.347","references":[{"source":"security@wordfence.com","tags":["Patch"],"url":"https://plugins.trac.wordpress.org/changeset/2870465/wp-meta-seo/trunk?contextall=1&old=2869205&old_path=%2Fwp-meta-seo%2Ftrunk#file2"},{"source":"security@wordfence.com","tags":["Patch"],"url":"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="},{"source":"security@wordfence.com","url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/4f589e21-7417-4b43-b580-4f1d3c2041f4?source=cve"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"url":"https://plugins.trac.wordpress.org/changeset/2870465/wp-meta-seo/trunk?contextall=1&old=2869205&old_path=%2Fwp-meta-seo%2Ftrunk#file2"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"url":"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="},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Broken Link"],"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/4f589e21-7417-4b43-b580-4f1d3c2041f4"}],"sourceIdentifier":"security@wordfence.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-862"}],"source":"security@wordfence.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-862"}],"source":"nvd@nist.gov","type":"Secondary"}]}