CVE-2026-96899

Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script

Published Sep 27, 2026 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions optima Express Idx
Vendors & Products Wordpress-extensions
Wordpress-extensions optima Express Idx
Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
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.
Title Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 28, 2026, 12:48 AM
Reserved
Sep 23, 2026, 7:55 PM
Status
Deferred
Published
Sep 27, 2026, 6:17 AM
Modified
Sep 28, 2026, 3:17 PM