Ninja Forms <= 3.5.8.1 - Cross-Site Scripting

2021-09-27 00:00

Rodel Plasabas

Strategic Overview

Status

Patched in 3.5.8.2

Affected PluginNinja Forms – The Contact Form Builder That Grows With You

Affected Version< 3.5.8.2

CVSS4.8Medium

CVECVE-2021-24381

View all Ninja Forms – The Contact Form Builder That Grows With You vulnerabilities

Vulnerability Overview

The Ninja Forms Contact Form WordPress plugin before 3.5.8.2 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.

Technical Analysis

REMEDIATION: Update to version 3.5.8.2, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24381 https://www.wordfence.com/threat-intel/vulnerabilities/id/8703c76b-89c6-438a-b953-03847d965096

CVSS Vector

4.8

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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