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CVE-2026-15446 EWWW Image Optimizer <= 8.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content

🗓️ 19 Aug 2026 06:37:54Reported by GoogleType 
osv
 osv🔗 osv.dev👁 4 Views

EWWW Image Optimizer ≤8.7.3 has stored XSS via data-script lazyload attribute in post content.

Refs
SourceLink
pluginswww.plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.6.0/classes/class-lazy-load.php
pluginswww.plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.6.0/classes/class-lazy-load.php
pluginswww.plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.6.0/includes/ls.unveilhooks.js
pluginswww.plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.6.0/includes/ls.unveilhooks.js
pluginswww.plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.7.3/classes/class-lazy-load.php
pluginswww.plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.7.3/classes/class-lazy-load.php
pluginswww.plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.7.3/includes/ls.unveilhooks.js
pluginswww.plugins.trac.wordpress.org/browser/ewww-image-optimizer/tags/8.7.3/includes/ls.unveilhooks.js
wordfencewww.wordfence.com/threat-intel/vulnerabilities/id/e8af1fdb-7fec-4bbe-937b-ee2e76cf5c5b
githubwww.github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15446.json
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21 Aug 2026 03:46Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.16.4
EWWW Image OptimizerStored XSSdata-script attributeLazy LoadContributor accessInsufficient sanitization
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