Is CVE-2021-4362 actively exploited?

No active exploitation of CVE-2021-4362 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-4362 be exploited remotely?

Yes. CVE-2021-4362 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-4362?

CVE-2021-4362 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-4362

CWE-862Published: June 7, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

The Kiwi Social Share plugin for WordPress version 2.1.0 contains an authorization bypass that allows unauthenticated attackers to read and modify arbitrary site options. This critical flaw can lead to a complete site takeover.

No public exploit is known for this vulnerability, and it is not in the CISA KEV catalog. The flaw is remotely exploitable with low attack complexity.

Recommended Action

Users should update the Kiwi Social Share plugin to a version where the capability check for the AJAX action is correctly enforced.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-4362 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.