CVE-2026-6048Flipbox Addon for Elementor <= 2.1.1 - Authenticated (Author+) Stored Cross-Site Scripting via Custom Attributes
Updated under an hour ago ()
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The Flipbox Addon for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Flipbox widget's button URL `custom_attributes` field in all versions up to, and including, 2.1.1 due to insufficient validation of custom attribute names. Specifically, the plugin uses `esc_html()` on the attribute name which does not prevent event handler attributes (e.g., `onmouseover`, `onclick`). 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.
- CVSS
- 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Apr 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
dragwyb Flipbox Addon for Elementor dragwyb:flipbox_addon_for_elementor (from the name) | through 2.0.8 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/faa6ad51-7b3b-4fe1-95fa-e9b63943d533?source=cve
- https://plugins.trac.wordpress.org/browser/ultimate-flipbox-addon-for-elementor/tags/2.1.1/widget/simple/ufae-frontend/class-ufae-frontend-item.php#L250
- https://plugins.trac.wordpress.org/browser/ultimate-flipbox-addon-for-elementor/tags/2.1.1/widget/stories/ufae-frontend/class-ufae-frontend-loop.php#L248
- https://plugins.trac.wordpress.org/browser/ultimate-flipbox-addon-for-elementor/tags/2.1.2/widget/simple/ufae-frontend/class-ufae-frontend-item.php#L263
- https://plugins.trac.wordpress.org/browser/ultimate-flipbox-addon-for-elementor/tags/2.1.2/widget/stories/ufae-frontend/class-ufae-frontend-loop.php#L253
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.