WordPress Plugin Vulnerabilities
NinjaForms < 3.5.8.2 - Admin+ Stored Cross-Site Scripting
Description
The plugin does not sanitise and escape the custom class name of the form field created, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Proof of Concept
With the Form Builder "Dev Mode” setting enabled, create a form and a field, then under the Display option of the field, add the following payload in the Custom Class Names Container field "><img src onerror=alert(/XSS/)> Save the field and form then view/preview the page with the form embed to trigger the XSS https://www.youtube.com/watch?v=Ax8QK5gEBUk
Affects Plugins
Fixed in 3.5.8.2 References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Rodel Plasabas
Submitter
Rodel Plasabas
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2021-09-27 (about 2 years ago)
Added
2021-09-27 (about 2 years ago)
Last Updated
2022-04-14 (about 2 years ago)
WPScan 