Known vulnerabilities in Social Sharing Plugin – Kiwi

This is by far the best free WordPress share plugin. It is simple yet does exactly what it should with plenty of customisation options.

4Reported vulnerabilities

9.8Highest CVSS score

2.1.9.1Latest version

4,000+Active installs

What to do now

Update Social Sharing Plugin – Kiwi to 2.1.8 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 30, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2021-4362	Critical 9.8	1.4%	2.1.0 to 2.1.0 (inclusive)	`2.1.3`	June 7, 2023
WF-2f47a01d-b259-465e-bec1-9079987dc5a5	Critical 9.8	—	2.0.10 and earlier	`2.0.11`	November 12, 2018
CVE-2025-58790	Medium 6.4	0.2%	2.1.8 and earlier	—	September 5, 2025
CVE-2024-3228	Medium 5.3	0.4%	Before 2.1.8	`2.1.8`	July 9, 2024

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.