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CVE-2026-55745— Cotonti CSRF in PFS folder edit allows unauthorized folder modification

Quick assessment

Affected
Cotonti Cotonti
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.

Cotonti Cotonti是Cotonti团队的一个内容管理系统。 Cotonti 1.0.0版本存在跨站请求伪造漏洞，该漏洞源于在Personal File Storage (PFS)模块中，文件夹更新操作未调用cot_check_xg()验证反CSRF令牌，可能导致远程攻击者诱使认证用户访问恶意页面，从而修改受害者的文件夹元数据（包括将私有文件夹设为公开）。

CVSS 5.4 · Medium EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Cotonti Cotonti 1.0.0 affected
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I. Basic Information for CVE-2026-55745

Vulnerability Information
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Vulnerability Title
Cotonti CSRF in PFS folder edit allows unauthorized folder modification
Source: CVE Program / CVE List V5
Vulnerability Description
Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the Personal File Storage (PFS) module. In modules/pfs/inc/pfs.editfolder.php, the folder update action ('a=update') updates folder metadata (title, description, public/gallery flags) without calling cot_check_xg to validate the anti-CSRF token.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Cotonti 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cotonti Cotonti是Cotonti团队的一个内容管理系统。 Cotonti 1.0.0版本存在跨站请求伪造漏洞，该漏洞源于在Personal File Storage (PFS)模块中，文件夹更新操作未调用cot_check_xg()验证反CSRF令牌，可能导致远程攻击者诱使认证用户访问恶意页面，从而修改受害者的文件夹元数据（包括将私有文件夹设为公开）。
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
Cotonti Cotonti 1.0.0 -

II. Public POCs for CVE-2026-55745

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III. Intelligence Information for CVE-2026-55745

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Patches & Fixes for CVE-2026-55745 (1)

Vendor Pages for CVE-2026-55745 (1)

Same Patch Batch · Cotonti · 2026-06-18 · 5 CVEs total

CVE-2026-55742 9.6 CRITICAL Cotonti CSRF in admin.rights.php allows privilege escalation
CVE-2026-55741 8.8 HIGH Cotonti CSRF in admin.config.php allows unauthorized configuration changes
CVE-2026-55744 8.1 HIGH Cotonti CSRF in PFS allows forced arbitrary file upload
CVE-2026-55746 7.6 HIGH Cotonti stored XSS via PFS folder title

IV. Related Vulnerabilities

Same product: Cotonti
Same vendor: Cotonti
Same weakness: CWE-352

V. Comments for CVE-2026-55745

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