Description
The Prime Slider – Hero Slider, Carousel, WooCommerce & Post Slider Elementor Addons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 4.7.2 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. This is possible because core wp_filter_kses leaves the submitted markup inert, but the plugin's subsequent regex fallback consumes closing quotes of allowed attribute values containing 'bdt-', promoting previously inert bytes — such as event handlers like onfocus — into real HTML attributes that are then written to the database and rendered without further sanitization.
Published: 2026-10-28
Score: 7.2 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Advisories

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History

Wed, 28 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
Description The Prime Slider – Hero Slider, Carousel, WooCommerce & Post Slider Elementor Addons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 4.7.2 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. This is possible because core wp_filter_kses leaves the submitted markup inert, but the plugin's subsequent regex fallback consumes closing quotes of allowed attribute values containing 'bdt-', promoting previously inert bytes — such as event handlers like onfocus — into real HTML attributes that are then written to the database and rendered without further sanitization.
Title Prime Slider <= 4.7.2 - Unauthenticated Stored Cross-Site Scripting via Comment Content via Content_Guard Regex Quote-Escape
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}


Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-10-28T06:45:15.943Z

Reserved: 2026-10-15T15:58:56.096Z

Link: CVE-2026-111111

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-28T07:16:46.680

Modified: 2026-10-28T07:16:46.680

Link: CVE-2026-111111

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T09:00:10Z

Weaknesses