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CVE-2026-4334

Shariff Wrapper <= 4.6.20 - Authenticated (Contributor+) Cross-Site Scripting

The Shariff Wrapper plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'headline' parameter in the [shariff] shortcode in all versions up to, and including, 4.6.20 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The vulnerability occurs because the plugin uses a custom wp_kses implementation with permissive allowed HTML tags, and then performs a str_replace operation that injects HTML after sanitization, allowing event handlers to be introduced through the %total placeholder in the style attribute.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Vendors
3uu Wordpress
Products
Shariff Wrapper Wordpress
CVE-2024-4098

Shariff Wrapper <= 4.6.13 - Unauthenticated Local File Inclusion

The Shariff Wrapper plugin for WordPress is vulnerable to Local File Inclusion in versions up to, and including, 4.6.13 via the shariff3uu_fetch_sharecounts function. This allows unauthenticated attackers to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.

CVSS 3.1 · 9.8 Critical EPSS 1.0% KEV · Not listed
Vendors
3uu Datenverwurstungszentrale
Products
Shariff Wrapper Shariff Wrapper
CVE-2024-1106

Shariff Wrapper < 4.6.10 - Admin+ Stored XSS

The Shariff Wrapper WordPress plugin before 4.6.10 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 even when the unfiltered_html capability is disallowed (for example in multisite setup)

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
3uu Datenverwurstungszentrale
Products
Shariff Wrapper Shariff Wrapper