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6.4
WordPress Media Library Alt Text Editor plugin allows malicious scripts to run
CVE-2026-1820
Summary
The Media Library Alt Text Editor plugin for WordPress is vulnerable to a security flaw that allows attackers to inject malicious scripts. This could allow an attacker with contributor-level access or higher to execute scripts on any page that uses the plugin, potentially leading to unauthorized actions. To protect your site, update to a version of the plugin that has fixed this issue or remove the plugin if you don't use it.
Original title
The Media Library Alt Text Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bvmalt_sc_div_update_alt_text' shortcode in all versions up to, and including, ...
Original description
The Media Library Alt Text Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'bvmalt_sc_div_update_alt_text' shortcode in all versions up to, and including, 1.0.0 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.
nvd CVSS3.1
6.4
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
Published: 7 Mar 2026 · Updated: 13 Mar 2026 · First seen: 7 Mar 2026