CVE-2023-0439 json
NEX-Forms < 8.4.4 - Authenticated Stored XSS
published 2023-07-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12493
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Unknown NEX-Forms 8.4.4
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/04cea9aa-b21c-49f8-836b-2d312253e09a referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Unknown NEX-Forms
Classification
- Technology feeds
References
-
wpscan.com
/vulnerability/04cea9aa-b21c-49f8-836b-2d312253e09a
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-0439
- NVD CVE-2023-0439
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.