Vulnerability · Published Sep 27, 2026 · Assigned by WPScan
CVE-2026-96899Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script
Medium 6.8
In plain English
A medium-severity cross-site scripting in Optima Express IDX from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.2%top 86.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Optima Express IDX | 8.6.0 – before 8.7.6 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/649584c7-0549-4080-92f0-bf4b9e8ee789/ exploit, vdb-entry, technical-description