EUVD-2026-78243
GHSA-7cwx-2g72-9fhj
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Stored XSS requires a victim to browse to the injected page, making UI:R more accurate; all other metrics match the description.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The ShopEngine Elementor WooCommerce Builder Addon - All in One WooCommerce Solution with eCommerce Templates & Woo Widgets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘shopengine_product_title_header_size’ parameter in all versions up to, and including, 4.9.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
AnalysisAI
Stored Cross-Site Scripting in the ShopEngine Elementor WooCommerce Builder Addon plugin for WordPress (versions up to and including 4.9.5) allows authenticated attackers with Author-level access or higher to persistently inject arbitrary JavaScript via the shopengine_product_title_header_size parameter. The injected payload executes in any site visitor's browser upon loading an affected page, enabling session hijacking, credential theft, or malicious redirects. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a WordPress account with at least Author-level role on the target site; Editor, Shop Manager, and Administrator roles are also sufficient. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The NVD/Wordfence CVSS score of 6.4 (AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N) reflects the stored nature of the XSS and the scope change to the victim browser. … 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 | Update the ShopEngine plugin to the version immediately succeeding 4.9.5; the patch was committed to the WordPress plugin repository as changeset 3693396 (https://plugins.trac.wordpress.org/changeset/3693396/). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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