{"api_version":"1","generated_at":"2026-04-23T13:51:57+00:00","cve":"CVE-2023-4308","urls":{"html":"https://cve.report/CVE-2023-4308","api":"https://cve.report/api/cve/CVE-2023-4308.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-4308","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-4308"},"summary":{"title":"CVE-2023-4308","description":"The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user-submitted-content’ parameter in versions up to, and including, 20230809 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","state":"PUBLIC","assigner":"security@wordfence.com","published_at":"2023-08-15 08:15:00","updated_at":"2023-11-07 04:22:00"},"problem_types":[],"metrics":[],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3bb4d37c-c4c2-4523-9b4e-73ffb7be81ea?source=cve","name":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3bb4d37c-c4c2-4523-9b4e-73ffb7be81ea?source=cve","refsource":"MISC","tags":[],"title":"User Submitted Posts <= 20230809 - Unauthenticated Stored Cross-Site Scripting via 'user-submitted-content'","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://plugins.trac.wordpress.org/changeset/2952471/user-submitted-posts","name":"https://plugins.trac.wordpress.org/changeset/2952471/user-submitted-posts","refsource":"MISC","tags":[],"title":"403 Forbidden","mime":"text/html","httpstatus":"403","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-4308","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4308","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"4308","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"plugin-planet","cpe5":"user_submitted_posts","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"wordpress","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-4308","ASSIGNER":"security@wordfence.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user-submitted-content’ parameter in versions up to, and including, 20230809 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"specialk","product":{"product_data":[{"product_name":"User Submitted Posts – Enable Users to Submit Posts from the Front End","version":{"version_data":[{"version_affected":"<=","version_name":"*","version_value":"20230809"}]}}]}}]}},"references":{"reference_data":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3bb4d37c-c4c2-4523-9b4e-73ffb7be81ea?source=cve","refsource":"MISC","name":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3bb4d37c-c4c2-4523-9b4e-73ffb7be81ea?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/2952471/user-submitted-posts","refsource":"MISC","name":"https://plugins.trac.wordpress.org/changeset/2952471/user-submitted-posts"}]},"credits":[{"lang":"en","value":"NGÔ THIÊN AN"}],"impact":{"cvss":[{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","baseScore":7.2,"baseSeverity":"HIGH"}]}},"nvd":{"publishedDate":"2023-08-15 08:15:00","lastModifiedDate":"2023-11-07 04:22:00","problem_types":[],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.3,"impactScore":2.7}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:plugin-planet:user_submitted_posts:*:*:*:*:*:wordpress:*:*","versionEndExcluding":"20230811","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}