CVE-2026-85122CWE-79cross-site-scripting

CVE-2026-85122

High · published September 18, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
42.2
In the wild
Unconfirmed
What it is

The Easy Form Builder by WhiteStudio WordPress plugin before 4.2.0 does not validate a submitted value against the stored configuration for some of its form types, allowing unauthenticated users to store arbitrary content which is then rendered unescaped in an admin page, leading to Stored XSS.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00505 · 42.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-18T10:16Z
References (1)
https://wpscan.com/vulnerability/7263f875-3ff3-410a-94b0-fa4b3694d356/ · [email protected]
EPSS history
Timeline
  • 19 SEP 03:54Z
    EPSS moved — → 0%
    epss
  • 18 SEP 06:00Z
    Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Stored XSS via Form Type Confusion
    cvelistv5