Read the docs
TI-2026-58466 Aliases CVE-2026-85122GHSA-8g63-4vhx-3q8r

Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Stored XSS via Form Type Confusion

Priority MEDIUM 41CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00505 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Easy Form Builder by WhiteStudio (Unknown): 4.2.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownEasy Form Builder by WhiteStudio4.0.0 to before 4.2.04.2.0Patch availableCNA
  • Easy Form Builder by WhiteStudio VendorUnknown Affected 4.0.0 to before 4.2.0 Fixed in 4.2.0 Patch available CNA

Remediation

  • Fix · CNA Easy Form Builder by WhiteStudio (Unknown) Fixed in 4.2.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Easy Form Builder by WhiteStudio 4.2.0

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-58467 Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Registration Policy Bypass via Login Form Type ConfusionPriority LOW 30

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-85122
  2. 2026-10-03 Alias added: GHSA-8g63-4vhx-3q8r

References

Sources