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CVE-2026-32993

Quick assessment

Affected
WebPros cPanel
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.

cPanel是美国cPanel公司的一套基于Web的自动化主机托管平台。该平台主要用于自动化管理网站和服务器。 cPanel存在注入漏洞，该漏洞源于对/unprotected/nova_error端点中status查询参数的清理不当，可能导致未经身份验证的攻击者向响应中注入任意HTTP标头。

CVSS 8.3 · High EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
WebPros cPanel 11.132.0.0< 11.132.0.32 affected
11.134.0.0< 11.134.0.26 affected
11.136.0.0< 11.136.0.10 affected
WebPros WP Squared 11.132.1.0< 11.136.1.12 affected
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I. Basic Information for CVE-2026-32993

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper sanitization of the `status` query parameter of the `/unprotected/nova_error` endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: CVE Program / CVE List V5
Vulnerability Title
cPanel 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cPanel是美国cPanel公司的一套基于Web的自动化主机托管平台。该平台主要用于自动化管理网站和服务器。 cPanel存在注入漏洞，该漏洞源于对/unprotected/nova_error端点中status查询参数的清理不当，可能导致未经身份验证的攻击者向响应中注入任意HTTP标头。
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
WebPros cPanel 11.132.0.0 ~ 11.132.0.32 -
WebPros WP Squared 11.132.1.0 ~ 11.136.1.12 -

II. Public POCs for CVE-2026-32993

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III. Intelligence Information for CVE-2026-32993

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Vendor Advisories for CVE-2026-32993 (1)

Same Patch Batch · WebPros · 2026-05-13 · 5 CVEs total

CVE-2026-29205 8.6 HIGH cPanel 安全漏洞
CVE-2026-32992 8.2 HIGH cPanel 信任管理问题漏洞
CVE-2026-29206 8.1 HIGH cPanel SQL注入漏洞
CVE-2026-32991 7.1 HIGH cPanel 安全漏洞

IV. Related Vulnerabilities

Same product: cPanel
Same vendor: WebPros
Same weakness: CWE-93

V. Comments for CVE-2026-32993

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