4.3

CVE-2025-10499: kstover ninja forms – the contact form builder that grows with you Cross-Site Request Forgery (CSRF)

CVSS: 4.3v3.1MediumAnalyzed
Published 27-09-2025Last modified 08-04-2026

Vulnerability summary

CVE-2025-10499 is a medium (CVSS 4.3) Cross-Site Request Forgery (CSRF) vulnerability in kstover ninja forms – the contact form builder that grows with you. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.9% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 27-09-2025
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

The Ninja Forms – The Contact Form Builder That Grows With You plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.12.0. This is due to missing or incorrect nonce validation on the maybe_opt_in() function. This makes it possible for unauthenticated attackers to opt an affected site into usage statistics collection via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Kstover1 product
Ninjaforms1 product
Wordpress1 product
  • ninja-forms≤ 3.12.0 (fixed in 3.12.1)

3 vendors · 3 products

References

4 links