The ER Swiffy Insert plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the [swiffy] shortcode in all versions up to and including 1.0.0. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes ('n', 'w', 'h'). These attributes are extracted using extract() and directly interpolated into the HTML output without any escaping such as esc_attr(). This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
History

Wed, 22 Apr 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 22 Apr 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Erithq
Erithq er Swiffy Insert
Wordpress
Wordpress wordpress
Vendors & Products Erithq
Erithq er Swiffy Insert
Wordpress
Wordpress wordpress

Wed, 22 Apr 2026 08:30:00 +0000

Type Values Removed Values Added
Description The ER Swiffy Insert plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the [swiffy] shortcode in all versions up to and including 1.0.0. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes ('n', 'w', 'h'). These attributes are extracted using extract() and directly interpolated into the HTML output without any escaping such as esc_attr(). This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Title ER Swiffy Insert <= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published: 2026-04-22T07:45:30.326Z

Updated: 2026-04-22T13:06:19.502Z

Reserved: 2026-03-12T20:46:40.814Z

Link: CVE-2026-4082

cve-icon Vulnrichment

Updated: 2026-04-22T13:06:15.811Z

cve-icon NVD

Status : Deferred

Published: 2026-04-22T09:16:22.273

Modified: 2026-04-22T20:22:50.570

Link: CVE-2026-4082

cve-icon Redhat

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