{"id":"CVE-2023-6882","state":"PUBLISHED","title":"Simple Membership <= 4.3.8 - Reflected Cross-Site Scripting Vulnerability via environment_mode","description":"The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘environment_mode’ parameter in all versions up to, and including, 4.3.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","publishedAt":"2024-01-11T08:32:31.384Z","updatedAt":"2026-04-08T16:46:08.475Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["wpinsider-1 Simple Membership"],"affected":[{"vendor":"wpinsider-1","product":"Simple Membership","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.3.8","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/366165fe-93e5-49ab-b2e5-1de624f22286?source=cve","https://plugins.trac.wordpress.org/changeset/3010737/simple-membership"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/6xxx/CVE-2023-6882.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-6882","state":"PUBLISHED","datePublished":"2024-01-11T08:32:31.384Z","dateUpdated":"2026-04-08T16:46:08.475Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2023-12-16T00:20:20.527Z"},"containers":{"cna":{"title":"Simple Membership <= 4.3.8 - Reflected Cross-Site Scripting Vulnerability via environment_mode","descriptions":[{"lang":"en","value":"The Simple Membership plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘environment_mode’ parameter in all versions up to, and including, 4.3.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}],"affected":[{"vendor":"wpinsider-1","product":"Simple Membership","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.3.8","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/366165fe-93e5-49ab-b2e5-1de624f22286?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3010737/simple-membership"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"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":"2026-04-08T16:46:08.475Z"},"credits":[{"lang":"en","type":"finder","value":"Rein Daelman"}],"timeline":[{"time":"2023-12-16T00:00:00.000Z","lang":"en","value":"Vendor Notified"},{"time":"2023-12-18T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/366165fe-93e5-49ab-b2e5-1de624f22286?source=cve","tags":["x_transferred"]},{"url":"https://plugins.trac.wordpress.org/changeset/3010737/simple-membership","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T08:42:07.950Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-08T15:55:52.769975Z","id":"CVE-2023-6882","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-03T14:09:54.530Z"}}]}}}