PT-2021-15709 · WordPress · Sendwp Ninja Forms Contact Form

Chloe Chamberland · Published 2021-04-05 · Updated 2022-08-31 · CVE-2021-24163

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: SendWP Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress versions prior to 3.4.34

Description: The issue arises from the lack of capability checks and nonce protection in the AJAX action wp ajax ninja forms sendwp remote install handler. This allows low-level users, such as subscribers, to install and activate the plugin, and also retrieve the client secret key needed for establishing the SendWP connection.

Recommendations: For versions prior to 3.4.34, update to version 3.4.34 or later to resolve the issue. As a temporary workaround, consider disabling the wp ajax ninja forms sendwp remote install handler AJAX action until a patch is available. Restrict access to the client secret key to minimize the risk of exploitation.

Exploit

Fix

Missing Authorization

Information Disclosure

Weakness Enumeration

CWE-862

CWE-200

Related Identifiers

CVE-2021-24163

Affected Products

Sendwp Ninja Forms Contact Form

References · 5

• 🔥 https://wpscan.com/vulnerability/55fde9fa-f6cd-4546-bee8-4acc628251c2 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24163 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24163 · Vendor Advisory
• https://wordfence.com/blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms · Note
• https://t.me/cvenotify/35485 · Telegram Post