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CVE-2026-55593— Froxlor: CSRF Vulnerability in Froxlor AJAX Endpoint — Missing Cross-Site Request Forgery Protection

Quick assessment

Affected
froxlor froxlor
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.

Froxlor是Froxlor组织开源的一款服务器管理软件。 Froxlor 2.3.8之前版本存在跨站请求伪造漏洞，该漏洞源于lib/ajax.php入口点绕过集中请求验证，editapikey操作未验证CSRF令牌，可能导致跨站请求伪造，攻击者诱导已认证管理员浏览器提交伪造请求，添加攻击者控制的地址到API密钥的allowed_from列表或移除其过期时间，削弱密钥安全限制。

CVSS 6.5 · Medium EPSS 0.23% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
froxlor froxlor < 2.3.8 affected
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I. Basic Information for CVE-2026-55593

Vulnerability Information
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Vulnerability Title
Froxlor: CSRF Vulnerability in Froxlor AJAX Endpoint — Missing Cross-Site Request Forgery Protection
Source: CVE Program / CVE List V5
Vulnerability Description
Froxlor is open source server administration software. Prior to 2.3.8, the standalone lib/ajax.php entry point bypasses the centralized request validation in lib/init.php, and Ajax::handle in lib/Froxlor/Ajax/Ajax.php checks only for a valid session before routing state-changing requests. The editapikey action in Ajax::editApiKey updates allowed_from and valid_until without validating a CSRF token, while templates/Froxlor/assets/js/jquery/apikeys.js sends no token because the endpoint does not require one. An unauthenticated attacker can induce an authenticated administrator's browser to submit a forged request that adds an attacker-controlled address to an API key's allowed_from list or removes its expiration, weakening the key's security restrictions. This issue is fixed in version 2.3.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/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
Froxlor 跨站请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Froxlor是Froxlor组织开源的一款服务器管理软件。 Froxlor 2.3.8之前版本存在跨站请求伪造漏洞，该漏洞源于lib/ajax.php入口点绕过集中请求验证，editapikey操作未验证CSRF令牌，可能导致跨站请求伪造，攻击者诱导已认证管理员浏览器提交伪造请求，添加攻击者控制的地址到API密钥的allowed_from列表或移除其过期时间，削弱密钥安全限制。
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
froxlor froxlor < 2.3.8 -

II. Public POCs for CVE-2026-55593

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III. Intelligence Information for CVE-2026-55593

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Patches & Fixes for CVE-2026-55593 (1)

Vendor Advisories for CVE-2026-55593 (2)

Same Patch Batch · froxlor · 2026-08-18 · 6 CVEs total

CVE-2026-62988 9.0 CRITICAL Froxlor: Credential and 2FA secret disclosure via Froxlor API endpoints
CVE-2026-54347 8.7 HIGH Froxlor: Stored XSS in DNS TXT Record Content Allows Customer-to-Admin Account Takeover
CVE-2026-52793 8.1 HIGH Froxlor: API Authentication bypasses 2FA Authentication
CVE-2026-54348 7.2 HIGH Froxlor: Second-Order SQL Injection via `Admins.add` `ipaddress` Parameter Allows Full Dat
CVE-2026-54543 5.4 MEDIUM Froxlor DomainZones.add allows DNS zone-file RR injection via record/type fields

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-55593

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