EUVD-2026-67398
GHSA-r4gc-q6fw-m869
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Stored XSS still requires a victim to visit the injected page (UI:R); all other metrics align with the vendor vector - unauthenticated network access, changed scope, low C/I impact.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Optimole - Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'a' (above_fold_images) parameter in all versions up to, and including, 4.2.10 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
AnalysisAI
Stored Cross-Site Scripting in the Optimole image optimization plugin for WordPress (all versions through 4.2.10) allows unauthenticated network attackers to inject persistent JavaScript payloads via the 'above_fold_images' ('a') REST API parameter. Injected scripts execute in any visitor's browser upon accessing an affected page, enabling session hijacking, credential theft, or administrative account takeover. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The Optimole plugin must be installed and active on a WordPress site running version 4.2.10 or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.2 vector (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N) reflects a network-accessible, unauthenticated, low-complexity flaw with changed scope. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: version 4.2.11. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit your WordPress Optimole plugin version and apply version 4.2.11. …
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External POC / Exploit Code
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