cleantalk
Vulnerabilities and Security Researches

Custom Logo, CVE-2026-2499

CVE, Research URL

CVE-2026-2499

Application

Custom Logo

Published on
Feb 26, 2026
Research Description
The Custom Logo plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Affected versions
max 2.2.
Status
vulnerable