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CVE-2026-16747— Kirki < 6.2.1 - Unauthenticated Arbitrary Shortcode Execution via Form Email Actions

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.

WordPress Kirki是WordPress基金会的一个内容管理系统主题定制组件。 WordPress Kirki 6.2.1之前版本存在输入验证错误漏洞，该漏洞源于前端表单提交REST路由授权不当，并将攻击者控制的输入传递给短代码执行，可能导致未经身份验证的用户运行站点上注册的任何短代码，进而泄露管理员邮箱地址并利用受害者域名发送任意收件人邮件。

CVSS 6.5 · Medium EPSS 0.37% · P28

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Kirki < 6.2.1 affected
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I. Basic Information for CVE-2026-16747

Vulnerability Information
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Vulnerability Title
Kirki < 6.2.1 - Unauthenticated Arbitrary Shortcode Execution via Form Email Actions
Source: CVE Program / CVE List V5
Vulnerability Description
The Kirki WordPress plugin before 6.2.1 does not properly authorise its front-end form submission REST routes and passes attacker-controlled input through shortcode execution, allowing unauthenticated users to run any shortcode registered on the site, which on a default install leads to disclosure of the site administrator's email address and an arbitrary-recipient mail relay from the victim's domain.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Kirki 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Kirki是WordPress基金会的一个内容管理系统主题定制组件。 WordPress Kirki 6.2.1之前版本存在输入验证错误漏洞，该漏洞源于前端表单提交REST路由授权不当，并将攻击者控制的输入传递给短代码执行，可能导致未经身份验证的用户运行站点上注册的任何短代码，进而泄露管理员邮箱地址并利用受害者域名发送任意收件人邮件。
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
Unknown Kirki 0 ~ 6.2.1 -

II. Public POCs for CVE-2026-16747

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III. Intelligence Information for CVE-2026-16747

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Vendor Advisories for CVE-2026-16747 (1)

Same Patch Batch · Unknown · 2026-08-12 · 44 CVEs total

CVE-2026-15045 6.5 MEDIUM Wallet System for WooCommerce < 2.7.10 - Customer+ Checkout Price Manipulation via Unvalid
CVE-2026-17008 5.3 MEDIUM Quick PayPal Payments <= 5.7.50 - Unauthenticated Payment Bypass via PayPal IPN
CVE-2026-16990 5.3 MEDIUM Payment Button for PayPal <= 1.2.3.44 - Unauthenticated Payment Price Manipulation
CVE-2026-16621 5.3 MEDIUM Payment Gateway for PayPal on WooCommerce < 9.2.1 - Unauthenticated Payment Bypass via Pay
CVE-2026-15213 5.3 MEDIUM Welcart e-Commerce < 2.11.33 - Unauthenticated Payment Bypass via Forged Settlement Callba
CVE-2026-18044 3.7 LOW Estatik Real Estate Plugin < 4.3.4 - Unauthenticated Arbitrary-Recipient Mail Relay via Si
CVE-2026-18789 Ezoic < 2.23.1 - Unauthenticated Database Export via Content Export REST Routes
CVE-2026-17013 WP Photo Album Plus < 9.2.07.002 - Reflected XSS via lbstart
CVE-2026-18962 WP Photo Album Plus < 9.2.09.002 - Subscriber+ Cross-Album File Upload via Missing Authori
CVE-2026-19052 ProSolution WP Client < 2.0.9 - Subscriber+ proSol_ajaxTablesync and proSol_ajaxClearlog C
CVE-2026-19073 Order Sync with Zendesk for WooCommerce < 2.2.3 - Unauthenticated Customer Order Data Disc
CVE-2026-19217 Royal Elementor Addons < 1.7.1065 - Contributor+ Stored XSS via Icon Box Widget
CVE-2026-19050 ProSolution WP Client < 2.0.9 - Subscriber+ SSRF via proSol_url_validate
CVE-2026-18057 Events Manager < 7.4.1 - Subscriber+ Booking Consent Record Tampering via SQL Injection
CVE-2026-18049 WP Photo Album Plus < 9.2.07.002 - Unauthenticated Option Disclosure via gettogo
CVE-2026-18366 Events Manager < 7.4.1 - Unauthenticated Privilege Escalation to Administrator
CVE-2026-18230 WP Directory Kit < 1.5.6 - Subscriber+ SQL Injection via section Parameter
CVE-2026-18391 WooCommerce Subscriptions < 9.1.0 - Unauthenticated RCE via PHP Object Injection
CVE-2026-18048 WP Photo Album Plus < 9.2.07.002 - Unauthenticated Arbitrary ZIP File Deletion via delmyzi
CVE-2026-18046 Cookie Consent < 0.0.10 - Subscriber+ MaxMind License Key Update

Showing top 20 of 44 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Kirki
Same vendor: Unknown

V. Comments for CVE-2026-16747

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