Ninja Tables Plugin up to 5.2.16 on WordPress Shortcode injection

Summaryinfo

A vulnerability identified as critical has been detected in Ninja Tables Plugin up to 5.2.16. This issue affects some unknown processing of the component Shortcode Handler. This manipulation causes injection. This vulnerability is tracked as CVE-2026-86612. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Ninja Tables Plugin up to 5.2.16. Affected by this vulnerability is some unknown functionality of the component Shortcode Handler. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Ninja Tables WordPress plugin before 5.2.17 does not restrict shortcode expansion to administrator-authored table rows which, in a non-default configuration, allows unauthenticated users to have arbitrary shortcodes executed on a public page, and to permanently break that page, by submitting an ordinary form entry.

It is possible to read the advisory at wpscan.com. This vulnerability is known as CVE-2026-86612 since 09/08/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

Upgrading to version 5.2.17 eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Name

• Ninja Tables Plugin

Version

• 5.2.0
• 5.2.1
• 5.2.2
• 5.2.3
• 5.2.4
• 5.2.5
• 5.2.6
• 5.2.7
• 5.2.8
• 5.2.9
• 5.2.10
• 5.2.11
• 5.2.12
• 5.2.13
• 5.2.14
• 5.2.15
• 5.2.16

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

• 🔒
• 🔒
• 🔒

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