{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-66636","assignerOrgId":"21595511-bba5-4825-b968-b78d1f9984a3","state":"PUBLISHED","assignerShortName":"Patchstack","dateReserved":"2026-07-27T14:00:34.306Z","datePublished":"2026-08-18T13:59:42.791Z","dateUpdated":"2026-10-07T14:58:51.805Z"},"containers":{"cna":{"providerMetadata":{"orgId":"21595511-bba5-4825-b968-b78d1f9984a3","shortName":"Patchstack","dateUpdated":"2026-10-07T14:58:51.805Z"},"title":"WordPress Wise Chat plugin <= 3.4.3 - Cross Site Scripting (XSS) vulnerability","datePublic":"2026-08-18T09:34:00.000Z","descriptions":[{"lang":"en","value":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcin Wise Chat wise-chat allows Stored XSS.This issue affects Wise Chat: from n/a through 3.4.3.","supportingMedia":[{"type":"text/html","base64":false,"value":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcin Wise Chat wise-chat allows Stored XSS.<p>This issue affects Wise Chat: from n/a through 3.4.3.</p>"}]}],"affected":[{"vendor":"Marcin","product":"Wise Chat","packageName":"wise-chat","collectionURL":"https://wordpress.org/plugins","defaultStatus":"unaffected","versions":[{"version":"0","versionType":"custom","status":"affected","lessThanOrEqual":"3.4.3"}]}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/wise-chat/vulnerability/wordpress-wise-chat-plugin-3-4-cross-site-scripting-xss-vulnerability?_s_id=cve","tags":["vdb-entry"]}],"credits":[{"lang":"en","value":"Ananda Dhakal (Patchstack)","type":"finder"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-592","descriptions":[{"lang":"en","value":"Stored XSS"}]}],"tags":["x_open-source"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T14:59:52.676965Z","id":"CVE-2026-66636","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-18T15:12:29.668Z"}}]}}