Threat intelligence

EWWW Image Optimizer <= 8.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content

CVE-2026-15446 · ewww-image-optimizer

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

Vulnerability: EWWW Image Optimizer <= 8.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content
Affected software: ewww-image-optimizer(Plugin)
Affected versions: ≤ 8.7.3
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-15446
Published: 18 August 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 e8af1fdb-7fec-4bbe-937b-ee2e76cf5c5b). Methodology and redistribution notes

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