CVE-2026-2718
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Stored XSS in Dealia WordPress Plugin via Gutenberg Blocks

Publication date: 2026-02-19

Last updated on: 2026-04-08

Assigner: Wordfence

Description
The Dealia – Request a Quote plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Gutenberg block attributes in all versions up to, and including, 1.0.8. This is due to the use of `wp_kses()` for output escaping within HTML attribute contexts where `esc_attr()` is required. 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.
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Meta Information
Published
2026-02-19
Last Modified
2026-04-08
Generated
2026-06-16
AI Q&A
2026-02-19
EPSS Evaluated
2026-06-14
NVD
CVE-2026-2718
EUVD
EUVD-2026-7797
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
dealia request_a_quote to 1.0.6 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

The vulnerability exists in the Dealia – Request a Quote plugin for WordPress, affecting all versions up to and including 1.0.6. It is a Stored Cross-Site Scripting (XSS) issue caused by improper output escaping. Specifically, the plugin uses the function wp_kses() for escaping output within HTML attribute contexts where esc_attr() should be used. This flaw allows authenticated users with Contributor-level access or higher to inject malicious web scripts into pages. These scripts execute whenever any user accesses the infected page.

Impact Analysis

This vulnerability can allow attackers with Contributor-level access or above to inject arbitrary scripts into web pages. These scripts can execute in the browsers of users who visit the affected pages, potentially leading to theft of user credentials, session hijacking, defacement, or other malicious actions. Because the attack is stored, the malicious code persists and affects all users who view the compromised content.

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