{"id":"CVE-2026-81807","state":"PUBLISHED","title":"Simple Ajax Chat < 20260827 - Unauthenticated Stored XSS via Chat Message Linkification","description":"The Simple Ajax Chat  WordPress plugin before 20260827 does not escape chat message content before rendering it, allowing unauthenticated users to inject arbitrary HTML attributes into the page and run scripts in the browser of anyone viewing the chat, including administrators.","publishedAt":"2026-09-02T06:00:23.747Z","updatedAt":"2026-09-02T10:45:54.257Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Simple Ajax Chat"],"affected":[{"vendor":"Unknown","product":"Simple Ajax Chat","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"20260827","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/7aceefd5-aa09-4828-b375-6a62997fa0c2/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/81xxx/CVE-2026-81807.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-81807","state":"PUBLISHED","datePublished":"2026-09-02T06:00:23.747Z","dateUpdated":"2026-09-02T10:45:54.257Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-08-27T12:27:55.970Z"},"containers":{"cna":{"title":"Simple Ajax Chat < 20260827 - Unauthenticated Stored XSS via Chat Message Linkification","descriptions":[{"lang":"en","value":"The Simple Ajax Chat  WordPress plugin before 20260827 does not escape chat message content before rendering it, allowing unauthenticated users to inject arbitrary HTML attributes into the page and run scripts in the browser of anyone viewing the chat, including administrators."}],"affected":[{"vendor":"Unknown","product":"Simple Ajax Chat","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"20260827","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/7aceefd5-aa09-4828-b375-6a62997fa0c2/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-79 Cross-Site Scripting (XSS)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-09-02T06:00:23.747Z"},"credits":[{"lang":"en","value":"Erwan LR (WPScan)","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2026-81807","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-02T10:37:58.338660Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","type":"CWE","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":"2026-09-02T10:45:54.257Z"}}]}}}