CVE-2025-15019 MEDIUM

CVE-2025-15019: BIALTY - Bulk Image Alt Text (Alt tag, Alt Attribute) with Yoast SEO + WooCommerce <= 2.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

Vendor Pagup
Product Bulk Auto Image Alt Text (Alt tag, Alt attribute) optimizer (image SEO)
Weakness CWE-79 · XSS
Published January 9, 2026
Last update April 8, 2026
View on NVD All CVEs

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

What the vulnerability does

Description

The BIALTY - Bulk Image Alt Text (Alt tag, Alt Attribute) with Yoast SEO + WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'bialty_cs_alt' post meta in all versions up to, and including, 2.2.1 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 an administrator accesses the post editor.

Key dates

Disclosure timeline

January 9, 2026 CVE published
April 8, 2026 Record updated