WordPress Plugin Vulnerabilities

Ninja Forms 3.15.3 - Unauthenticated Stored XSS via Paragraph Text Field in Submissions Admin

Description

The plugin does not escape submitted form field values before outputting them on the submission edit screen in the admin area, which could allow unauthenticated users to submit values through a public form that then execute in the browser of any high-privileged user who reviews the submission.

Proof of Concept

Affects Plugins

Fixed in 3.15.4

References

Classification

Type
XSS
CWE
CVSS

Miscellaneous

Original Researcher
Venkateswara Reddy Challa
Submitter
Venkateswara Reddy Challa
Verified
Yes

Timeline

Publicly Published
2026-09-22 (about 9 hours ago)
Added
2026-09-22 (about 2 hours ago)
Last Updated
2026-09-22 (about 2 hours ago)

Other