CVE-2022-1717: Custom Share Buttons with Floating Sidebar < 4.2 - Admin+ Stored XSS

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-06-20 · updated 2026-06-17
Weakness: CWE-79

Description

The Custom Share Buttons with Floating Sidebar WordPress plugin before 4.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks when the unfiltered_html capability is disallowed

Affected products

Custom Share Buttons with Floating Sidebar: before 4.2 — fixed in 4.2

How to fix

Upgrade to a fixed version: Custom Share Buttons with Floating Sidebar 4.2. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/79a532e9-bc6e-4722-8d67-9c15720d06a6
https://wpscan.com/vulnerability/79a532e9-bc6e-4722-8d67-9c15720d06a6

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