CVE-2023-5530 json
Ninja Forms < 3.6.34 - Admin+ Stored XSS
published 2023-11-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-57842
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
The Ninja Forms Contact Form WordPress plugin before 3.6.34 does not sanitize and escape its label fields, which could allow high privilege users such as admin to perform Stored XSS attacks. Only users with the unfiltered_html capability can perform this, and such users are already allowed to use JS in posts/comments etc however the vendor acknowledged and fixed the issue
Patch / fix
- Unknown Ninja Forms Contact Form 3.6.34
Exploit prediction
0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/a642f313-cc3e-4d75-b207-1dceb6a7fbae referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Unknown Ninja Forms Contact Form
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/a642f313-cc3e-4d75-b207-1dceb6a7fbae
exploit, vdb-entry, technical-description, third-party-advisory
-
ninjaforms.com
/blog/saturday-drive-x-edition/
release-notes, vendor-advisory
Sources
- CVE List CVE-2023-5530
- NVD CVE-2023-5530
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.