CVE-2021-25056 json
Ninja Forms < 3.6.10 - Admin+ Stored Cross-Site Scripting
published 2022-07-04 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11968
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
The Ninja Forms Contact Form WordPress plugin before 3.6.10 does not sanitise and escape field labels, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Patch / fix
- ninjaforms ninja_forms 3.6.10
Exploit prediction
0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/795acab2-f621-4662-834b-ebb6205ef7de 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 |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Unknown Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/795acab2-f621-4662-834b-ebb6205ef7de
exploit, third-party-advisory
Sources
- CVE List CVE-2021-25056
- NVD CVE-2021-25056
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.