CVE-2021-4362 - CVE House

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Status published Critical CVE-2021-4362

The Kiwi Social Share plugin for WordPress is vulnerable to...

9.8 CVSS

Vulnerability Description

The Kiwi Social Share plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the kiwi_social_share_get_option() function called via the kiwi_social_share_get_option AJAX action in version 2.1.0. This makes it possible for unauthenticated attackers to read and modify arbitrary options on a WordPress site that can be used for complete site takeover. This was a previously fixed vulnerability that was reintroduced in this version.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Jerome Bruandet

References

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Simple Basic Contact Form <= 20240502 - Unauthenticated Arbitrary Shortcode Execution

Social Sharing Plugin – Kiwi <= 2.1.7 - Information Disclosure

Affected Vendor

wpkube

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Affected Software

Social Sharing Plugin – Kiwi

Vulnerable Versions:

2.1.0

Timeline

Official Publish: June 7th, 2023

Last Modified: December 28th, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.