CVE-2026-110880— WordPress Kit (formerly ConvertKit) plugin <= 3.4.6 - Broken Access Control vulnerability
Quick assessment
Affected
Kit Kit (formerly ConvertKit)
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.
Kit（原 ConvertKit）convertkit 组件存在缺少授权验证的漏洞，攻击者可利用其访问控制安全级别配置不当的问题进行攻击。该问题影响 Kit（原 ConvertKit）从未知版本至 3.4.6 版本。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Kit | Kit (formerly ConvertKit) | ≤ 3.4.6 |
affected |
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I. Basic Information for CVE-2026-110880
Vulnerability Information
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Vulnerability Title
WordPress Kit (formerly ConvertKit) plugin <= 3.4.6 - Broken Access Control vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization vulnerability in Kit Kit (formerly ConvertKit) convertkit allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Kit (formerly ConvertKit): from n/a through 3.4.6.
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
授权机制缺失
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Kit | Kit (formerly ConvertKit) | 0 ~ 3.4.6 | - |
|
II. Public POCs for CVE-2026-110880
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-110880 (1)
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V. Comments for CVE-2026-110880
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