{"id":"CVE-2026-0913","state":"PUBLISHED","title":"User Submitted Posts <= 20260110 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'usp_access' Shortcode","description":"The User Submitted Posts – Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'usp_access' shortcode in all versions up to, and including, 20260110 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","publishedAt":"2026-01-16T08:23:38.119Z","updatedAt":"2026-04-08T17:04:39.111Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["specialk User Submitted Posts – Enable Users to Submit Posts from the Front End"],"affected":[{"vendor":"specialk","product":"User Submitted Posts – Enable Users to Submit Posts from the Front End","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"20260110","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/85bf7a1b-3c54-40c9-8f19-fcb9dd478a0e?source=cve","https://plugins.trac.wordpress.org/browser/user-submitted-posts/tags/20251210/library/shortcode-access.php#L20","https://plugins.trac.wordpress.org/changeset/3439027/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/0xxx/CVE-2026-0913.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0913","state":"PUBLISHED","datePublished":"2026-01-16T08:23:38.119Z","dateUpdated":"2026-04-08T17:04:39.111Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-01-13T18:46:09.607Z"},"containers":{"cna":{"title":"User Submitted Posts <= 20260110 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'usp_access' Shortcode","descriptions":[{"lang":"en","value":"The User Submitted Posts – Enable Users to Submit Posts from the Front End plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'usp_access' shortcode in all versions up to, and including, 20260110 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}],"affected":[{"vendor":"specialk","product":"User Submitted Posts – Enable Users to Submit Posts from the Front End","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"20260110","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/85bf7a1b-3c54-40c9-8f19-fcb9dd478a0e?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/user-submitted-posts/tags/20251210/library/shortcode-access.php#L20"},{"url":"https://plugins.trac.wordpress.org/changeset/3439027/"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:04:39.111Z"},"credits":[{"lang":"en","type":"finder","value":"Muhammad Yudha - DJ"}],"timeline":[{"time":"2026-01-13T19:01:48.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-01-15T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-16T13:10:30.720759Z","id":"CVE-2026-0913","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-16T13:10:40.814Z"}}]}}}