vulnerability

WordPress Plugin: wpupper-share-buttons: CVE-2022-3838: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Severity
5
CVSS
(AV:N/AC:L/Au:M/C:P/I:P/A:N)
Published
Nov 10, 2022
Added
May 15, 2025
Modified
May 4, 2026

Description

The WPUpper Share Buttons plugin for WordPress is vulnerable to Authenticated (Admin+) Stored Cross-Site Scripting via the plugin's settings in versions up to, and including, 3.42 due to insufficient input sanitization and output escaping. This makes it possible for adminitrator-level attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Solution

wpupper-share-buttons-plugin-cve-2022-3838
Title
Rapid7 Labs

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