Threat intelligence

Firelight Lightbox <= 2.3.20 - Authenticated (Contributor+) Stored DOM Cross-Site Scripting via PDF beforeLoad 'href' Attribute

CVE-2026-6454 · easy-fancybox

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Easy Fancybox at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Firelight Lightbox <= 2.3.20 - Authenticated (Contributor+) Stored DOM Cross-Site Scripting via PDF beforeLoad 'href' Attribute
Affected software: easy-fancybox(Plugin)
Affected versions: ≤ 2.3.20
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-6454
Published: 23 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 8396c124-9c72-4801-8964-1cd5fbd52d20). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Easy Fancybox version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Easy Fancybox advisoriesBack to catalog