Home

Description

The Gotham Block Extra Light plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.5.0 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.

PUBLISHED Reserved 2025-12-22 | Published 2026-01-14 | Updated 2026-01-14 | Assigner Wordfence




MEDIUM: 4.4CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-12-19:Discovered
2026-01-13:Disclosed

Credits

Bhumividh Treloges finder

References

www.wordfence.com/...-3c7b-41b6-a38d-86c8834b4c03?source=cve

plugins.trac.wordpress.org/...63,470,495,500,504,519,564,578

cve.org (CVE-2025-15021)

nvd.nist.gov (CVE-2025-15021)

Download JSON