4.8

CVE-2023-4109: ninjaforms ninja_forms_contact_form Cross-site Scripting

CVSS: 4.8v3.1MediumModified
Published 30-08-2023Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2023-4109 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in ninjaforms ninja_forms_contact_form. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 37% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 30-08-2023
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

The Ninja Forms WordPress Ninja Forms Contact Form WordPress plugin before 3.6.26 was affected by a HTML Injection security vulnerability.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

0.00 pp

From 0.44% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Ninjaforms1 product
Unknown1 product
Wordpress1 product
  • ninja-forms≤ 3.6.25 (fixed in 3.6.26)

3 vendors · 3 products

References

2 links