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CVE-2026-15601— Kirki <= 6.0.13 - Authenticated (Editor+) Path Traversal to Arbitrary File Write (Zip Slip)

Quick assessment

Affected
themeum Kirki – Freeform Page Builder, Website Builder & Customizer
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.

WordPress Kirki是WordPress基金会的一款适用于 WordPress 的自由形式可视化构建器和高级主题定制器。 WordPress Kirki 6.0.13及之前版本存在路径遍历漏洞，该漏洞源于extract_zip_file函数存在路径遍历（Zip Slip）问题，install_app、update_app和get_kirki_template_from_zip代码路径接受用户提供的app src值构造下载URL，未进行清理，导致特制ZIP包含路径遍历条目名称逃逸目标目录，可能允许

CVSS 4.9 · Medium EPSS 1.14% · P65

Affected Version Matrix 1

VendorProduct Version RangeStatus
themeum Kirki – Freeform Page Builder, Website Builder & Customizer ≤ 6.0.13 affected
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I. Basic Information for CVE-2026-15601

Vulnerability Information
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Vulnerability Title
Kirki <= 6.0.13 - Authenticated (Editor+) Path Traversal to Arbitrary File Write (Zip Slip)
Source: CVE Program / CVE List V5
Vulnerability Description
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Path Traversal (Zip Slip) in all versions up to, and including, 6.0.13 via the extract_zip_file function. This makes it possible for authenticated attackers, with custom-level access and above, to write arbitrary files on the server, which can allow for remote code execution. The install_app, update_app, and get_kirki_template_from_zip code paths accept a user-supplied app src value to construct the download URL, and no sanitization is applied to prevent a crafted ZIP from being fetched and extracted with path-traversing entry names that escape the intended destination directory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Kirki 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Kirki是WordPress基金会的一款适用于 WordPress 的自由形式可视化构建器和高级主题定制器。 WordPress Kirki 6.0.13及之前版本存在路径遍历漏洞，该漏洞源于extract_zip_file函数存在路径遍历（Zip Slip）问题，install_app、update_app和get_kirki_template_from_zip代码路径接受用户提供的app src值构造下载URL，未进行清理，导致特制ZIP包含路径遍历条目名称逃逸目标目录，可能允许
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
themeum Kirki – Freeform Page Builder, Website Builder & Customizer 0 ~ 6.0.13 -

II. Public POCs for CVE-2026-15601

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III. Intelligence Information for CVE-2026-15601

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Patches & Fixes for CVE-2026-15601 (9)

Security Blog Posts for CVE-2026-15601 (1)

Other References for CVE-2026-15601 (1)

IV. Related Vulnerabilities

Same product: Kirki – Freeform Page Builder, Website Builder & Customizer
Same vendor: themeum
Same weakness: CWE-22

V. Comments for CVE-2026-15601

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