What is CVE-2024-2108?

CVE-2024-2108 is a medium-severity vulnerability in Kstover Ninja Forms – The Contact Form Builder That Grows With You, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2024-03-29.

How severe is CVE-2024-2108?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Is CVE-2024-2108 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Kstover Ninja Forms – The Contact Form Builder That Grows With You

CVE-2024-2108

The Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an image title embedded into a form in all versions up to, and including, 3.8.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-03-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.2th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Kstover Ninja Forms – The Contact Form Builder That Grows With You — versions 0
Ninjaforms Ninja Forms

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

www.wordfence.com/threat-intel/vulnerabilities/id/6a6eb430-cf86-4e13-a4f7-173fa… (Third Party Advisory)
plugins.trac.wordpress.org/changeset/3059780/ninja-forms/tags/3.8.1/includes/Fi… (Patch)

Frequently asked questions

What is CVE-2024-2108?: CVE-2024-2108 is a medium-severity vulnerability in Kstover Ninja Forms – The Contact Form Builder That Grows With You, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2024-03-29.
How severe is CVE-2024-2108?: Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2024-2108 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.