Medium severity6.4NVD Advisory· Published Sep 6, 2025· Updated Apr 15, 2026
CVE-2025-9849
CVE-2025-9849
Description
The Html Social share buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'zm_sh_btn' shortcode in all versions up to, and including, 2.1.16 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
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Affected products
3- Range: <=2.1.16
Patches
Vulnerability mechanics
References
4- github.com/alimuzzaman/html-social-share-buttons/blob/a614c9ce5731417edcf01747eacd814c754cc2d4/html-social-share.phpnvd
- plugins.trac.wordpress.org/browser/html-social-share-buttons/trunk/html-social-share.phpnvd
- plugins.trac.wordpress.org/changesetnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/d11217ec-55a6-4422-9995-4cc1761d430envd
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