{"id":"CVE-2026-96899","title":"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 user…","summary":"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 user…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-79"],"product":"Optima Express IDX","affected":["optima_express_idx >= 8.6.0 < 8.7.6"],"published":"2026-09-27","updated":"2026-09-28","sourceUpdated":"2026-09-28T15:17:39.543","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-96899","references":[{"url":"https://wpscan.com/vulnerability/649584c7-0549-4080-92f0-bf4b9e8ee789/","label":"contact@wpscan.com"}],"tags":["nvd","cve.org"],"epss":0.00229,"epssPercentile":0.13614,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-28T00:37:06.758443Z"},"ingestedAt":"2026-09-27T06:43:46.834Z","slug":"CVE-2026-96899","body":"## Overview\n\nThe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":211763,"id":"CVE-2026-96899","ts":1790560913002,"field":"cvss","old":null,"new":"6.8"},{"seq":211762,"id":"CVE-2026-96899","ts":1790560913002,"field":"severity","old":"none","new":"medium"}]}