Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Stored XSS via Form Type Confusion
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Easy Form Builder by WhiteStudio | 4.0.0 to before 4.2.0 | 4.2.0 | Patch available | CNA |
- 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
- 2026-10-02 Threatist record created from CVE-2026-85122
- 2026-10-03 Alias added: GHSA-8g63-4vhx-3q8r
References
Sources
- CVE-2026-85122 · CVE Program
- CVE-2026-85122 · NVD
- FIRST EPSS
- GHSA-8g63-4vhx-3q8r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences