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CVE-2026-74992— Kirki < 6.2.3 - Editor+ Stored XSS via Font Zip Upload

Quick assessment

Affected
Unknown Kirki
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 6.2.3 版本之前的 Kirki WordPress 插件未能正确验证具有“编辑者”（Editor）角色用户上传的归档文件中所包含的文件，并在解压后未删除所有不需要的文件，从而允许此类用户向可公开访问的 Web 目录上传任意文件，导致存储型跨站脚本攻击（Stored XSS）以及在某些服务器配置下发生远程代码执行（RCE）。

AI Predicted 8.8 Difficulty: Easy EPSS 0.43% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Kirki < 6.2.3 affected
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I. Basic Information for CVE-2026-74992

Vulnerability Information
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Vulnerability Title
Kirki < 6.2.3 - Editor+ Stored XSS via Font Zip Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The Kirki WordPress plugin before 6.2.3 does not properly validate the files contained in archives uploaded by users with the Editor role, and does not remove all unwanted files after extracting them, allowing such users to upload arbitrary files to a web accessible directory, leading to Stored XSS as well as RCE on some server configurations.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Kirki 0 ~ 6.2.3 -

II. Public POCs for CVE-2026-74992

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III. Intelligence Information for CVE-2026-74992

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Vendor Advisories for CVE-2026-74992 (1)

Same Patch Batch · Unknown · 2026-08-20 · 7 CVEs total

CVE-2026-15049 Depicter < 4.8.0 - Editor+ Arbitrary File Upload via ZIP Import
CVE-2026-13405 Royal Elementor Addons < 1.7.1066 - Admin+ Remote Code Execution via Widget Builder
CVE-2026-75860 JSON Options <= 0.0.4 - Unauthenticated Arbitrary Options Update
CVE-2026-19699 GutenKit 2.4.12 - 2.4.15 - Contributor+ Mailchimp Audience Data Disclosure
CVE-2026-19615 Admin and Site Enhancements < 9.0.1 - Author+ Stored XSS via SVG Upload over XML-RPC
CVE-2026-19697 GutenKit < 2.5.0 - Author+ Stored XSS via SVG Upload

IV. Related Vulnerabilities

Same product: Kirki
Same vendor: Unknown

V. Comments for CVE-2026-74992

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