Yuki

Yuki has 3 disclosed vulnerabilities in the WordSec catalog, reported between 2023 and 2024; all 3 are fixed as of September 2026. Their average CVSS score is 4.9, and the most serious one scores 6.1 out of 10. 2024 was the busiest year with 2 disclosures.

The most common weakness is Cross-Site Request Forgery (CSRF), behind 1 of the records (33%). Other recurring categories include Cross-Site Scripting, Missing Authorization.

Every one of the 3 issues recorded for Yuki has a vendor fix available, so running the current release closes all known holes.

2 independent researchers contributed these findings, most of them (2) reported by Lucio Sá. Yuki is installed on roughly 700 WordPress sites, so each unpatched flaw has a wide blast radius.

Strategic Overview

Avg CVSSMedium
4.9/ 10
Patch Coverage100%
Open

0

Fixed

3

Get automatic notifications for all Yuki vulnerabilities before they are exploited.

Highest severity on recordCVSS 6.1CVE-2023-33999

Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get

Read the full analysis

Vulnerability Records

3 records
Yuki screenshot
Latestv1.4.17
4.2(5)
84/100
Last Updated
2026-05-21 (4mo ago)
Active Installs
700+
Downloads
246,214
Requires WP
0+
Requires PHP
7.4+
Created
2022-07-18 (4y ago)

Yuki is a modern and highly customizable multipurpose WordPress theme. It has powerful Header Builder, Footer Builder and Homepage Builder to fully customize your website. You can build any kind of websites, like blog, business, portfolio, WooCommerce storefronts etc. It fits bloggers, editors, online magazines, newspaper, news portals, content publishers, creative business, small businesses, startups and freelancers. This theme is responsive, translation ready and more.

Tags
BlogNewsPortfolioOne columnCustom logoCustom menuGrid layoutSticky postTwo columnsWide blocksBlock editor stylesEditor styleFour columnsLeft sidebarCustom colorsCustom headerRight sidebarTheme optionsThree columnsFooter widgetsFeatured imagesCustom backgroundThreaded commentsTranslation readyFull width templateRTL language supportFeatured image header

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C