CVE-2023-50838 json
WordPress NEX-Forms – Ultimate Form Builder Plugin <= 8.5.5 is vulnerable to SQL Injection
published 2023-12-28 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-55571
- cvss
- 7.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms – Ultimate Form Builder – Contact forms and much more.This issue affects NEX-Forms – Ultimate Form Builder – Contact forms and much more: from n/a through 8.5.5.
Patch / fix
- Basix NEX-Forms – Ultimate Form Builder – Contact forms and much more 8.5.6
Exploit prediction
0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.6 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Basix NEX-Forms – Ultimate Form Builder – Contact forms and much more
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
- Technology feeds
References
-
patchstack.com
/database/vulnerability/nex-forms-express-wp-form-builder/wordpress-nex-forms-ultimate-form-builder-8-5-5-sql-
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2023-50838
- NVD CVE-2023-50838
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.