CVE-2023-0439
NEX-Forms < 8.4.4 - Authenticated Stored XSS
CVE-2023-0439 is a medium vulnerability (CVSS 5.4) in Basix Nex-forms, published July 17, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. No source names a fixed version.
The NEX-Forms WordPress plugin before 8.4.4 does not escape its form name, which could lead to Stored Cross-Site Scripting issues. By default only SuperAdmins (in multisite) / admins (in single site) can create forms, however there is a settings allowing them to give lower roles access to such feature.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The NEX-Forms WordPress plugin before 8.4.4 does not escape its form name, which could lead to Stored Cross-Site Scripting issues. By default only SuperAdmins (in multisite) / admins (in single site) can create forms, however there is a settings allowing them to give lower roles access to such feature.
- Record
CVE-2023-0439- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
CVE List No score
NEX-Forms < 8.4.4 - Authenticated Stored XSS
The NEX-Forms WordPress plugin before 8.4.4 does not escape its form name, which could lead to Stored Cross-Site Scripting issues. By default only SuperAdmins (in multisite) / admins (in single site) can create forms, however there is a settings allowing them to give lower roles access to such feature.
- Record
CVE-2023-0439- Updated
- 2026-11-02
EUVDEUVD-2023-12493
The NEX-Forms WordPress plugin before 8.4.4 does not escape its form name, which could lead to Stored Cross-Site Scripting issues. By default only SuperAdmins (in multisite) / admins (in single site) can create forms, however there is a settings allowing them to give lower roles access to such feature.
- Record
EUVD-2023-12493- CVSS
- 0.0 None
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-42c6-gcr4-xh6h
The NEX-Forms WordPress plugin before 8.4.4 does not escape its form name, which could lead to...
The NEX-Forms WordPress plugin before 8.4.4 does not escape its form name, which could lead to Stored Cross-Site Scripting issues. By default only SuperAdmins (in multisite) / admins (in single site) can create forms, however there is a settings allowing them to give lower roles access to such feature.
- Record
GHSA-42c6-gcr4-xh6h- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, products, published | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |