CVE-2026-1820

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.

Score

CVSS 3.1 6.4 Medium

Status

Deferred - security@wordfence.com

Published

2026-03-07

Last modified

2026-04-08

Weaknesses

CWE-79

Affected products

• Media Library Alt Text Editor (Brainvireinfo)

References

• https://plugins.trac.wordpress.org/browser/media-library-alt-text-editor/tags/1.0.0/common/functions.php#L34
• https://www.wordfence.com/threat-intel/vulnerabilities/id/7879aaad-37b2-410d-9b21-029bed47202c?source=cve