CVE-2026-96899CWE-79cross-site-scripting

CVE-2026-96899

Medium · published September 27, 2026

CVSS v3.1
6.8
EPSS
0%
Percentile
13.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00235 · 13.7th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-27T10:17Z
References (1)
https://wpscan.com/vulnerability/649584c7-0549-4080-92f0-bf4b9e8ee789/ · [email protected]
EPSS history
Timeline
  • 28 SEP 03:30Z
    EPSS moved — → 0%
    epss
  • 27 SEP 06:00Z
    Optima Express 8.6.0 - 8.7.5 - Author+ Stored XSS via faq_script
    cvelistv5