{"id":"CVE-2026-96899","aliases":["EUVD-2026-87901","GHSA-xprw-377p-8v85"],"status":"published","title":"Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script","description":"The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-08","score":0.00229,"percentile":0.13755,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-27T06:00:22Z","modified":"2026-09-28T15:17:39Z","products":[{"vendor":"ihomefinder","product":"optima express idx"},{"vendor":"unknown","product":"optima express idx"}],"references":[{"url":"https://wpscan.com/vulnerability/649584c7-0549-4080-92f0-bf4b9e8ee789/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96899"},{"url":"https://wpscan.com/vulnerability/649584c7-0549-4080-92f0-bf4b9e8ee789"},{"url":"https://github.com/advisories/GHSA-xprw-377p-8v85"}],"sources":{"cve":[{"id":"CVE-2026-96899","title":"Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script","description":"The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.","status":"published","published":"2026-09-27T06:00:22.661Z","modified":"2026-09-28T00:48:07.465Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:00.511569Z"}],"euvd":[{"id":"EUVD-2026-87901","description":"The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.","status":"published","published":"2026-09-27T06:00:22Z","modified":"2026-09-28T00:48:07Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T17:27:54.286776Z"}],"ghsa":[{"id":"GHSA-xprw-377p-8v85","title":"The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value...","description":"The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.","status":"published","published":"2026-09-27T06:30:22Z","modified":"2026-09-28T03:30:27Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:12:31.359269Z"}],"nvd":[{"id":"CVE-2026-96899","description":"The Optima Express IDX WordPress plugin before 8.7.6 does not properly neutralise a script value submitted through one of its REST endpoints before storing it and echoing it into the document head when the post is rendered, allowing users with a role as low as author to perform Stored Cross-Site Scripting attacks.","status":"published","published":"2026-09-27T06:17:23.037Z","modified":"2026-09-28T15:17:39.543Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:52.081323Z"}]}}