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CVE-2026-4514— PbootCMS Backend UserController.php access control

Quick assessment

Affected
n/a PbootCMS
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.

PbootCMS是PbootCMS开源的一款使用PHP语言开发的开源企业建站内容管理系统（CMS）。 PbootCMS 3.2.12及之前版本存在访问控制错误漏洞，该漏洞源于Backend组件文件apps/admin/controller/system/UserController.php中未知功能对参数Field的错误操作，可能导致访问控制不当。

CVSS 6.3 · Medium EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4514

Vulnerability Information
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Vulnerability Title
PbootCMS Backend UserController.php access control
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in PbootCMS up to 3.2.12. Affected by this issue is some unknown functionality of the file apps/admin/controller/system/UserController.php of the component Backend. Executing a manipulation of the argument Field can lead to improper access controls. The attack may be performed from remote. The exploit has been published and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PbootCMS 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PbootCMS是PbootCMS开源的一款使用PHP语言开发的开源企业建站内容管理系统（CMS）。 PbootCMS 3.2.12及之前版本存在访问控制错误漏洞，该漏洞源于Backend组件文件apps/admin/controller/system/UserController.php中未知功能对参数Field的错误操作，可能导致访问控制不当。
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
- PbootCMS 3.2.0 cpe:2.3:a:pbootcms:pbootcms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4514

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III. Intelligence Information for CVE-2026-4514

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Vendor Advisories for CVE-2026-4514 (2)

Proof of Concept for CVE-2026-4514 (1)

Same Patch Batch · n/a · 2026-03-21 · 3 CVEs total

CVE-2026-4509 6.3 MEDIUM PbootCMS File Upload file.php incomplete blacklist
CVE-2026-4510 4.3 MEDIUM PbootCMS Parameter MemberController.php alert_location cross site scripting

IV. Related Vulnerabilities

Same product: PbootCMS
Same vendor: n/a
Same weakness: CWE-284

V. Comments for CVE-2026-4514

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