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CVE-2026-7435— SSCMS v7.4.0 SQL Injection via stl:sqlContent queryString

Quick assessment

Affected
siteserver SSCMS
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.

SSCMS（SiteServerCMS）是中国百容千域（SSCMS）公司的一个内容管理系统。 SSCMS 7.4.0版本存在SQL注入漏洞，该漏洞源于stl:sqlContent标签中queryString属性未参数化或清理直接传递给数据库执行，可能导致攻击者通过加密有效载荷执行任意SQL语句，导致未授权数据库访问、数据泄露、身份验证绕过、数据修改或数据库完全受损。

CVSS 7.2 · High EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
siteserver SSCMS 7.4.0 affected
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I. Basic Information for CVE-2026-7435

Vulnerability Information
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Vulnerability Title
SSCMS v7.4.0 SQL Injection via stl:sqlContent queryString
Source: CVE Program / CVE List V5
Vulnerability Description
SSCMS v7.4.0 contains a SQL injection vulnerability in the stl:sqlContent tag where the queryString attribute is passed directly to database execution without parameterization or sanitization. Attackers can craft encrypted payloads submitted to the /api/stl/actions/dynamic endpoint to execute arbitrary SQL statements, leading to unauthorized database access, data disclosure, authentication bypass, data modification, or complete database compromise.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
SSCMS SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SSCMS（SiteServerCMS）是中国百容千域（SSCMS）公司的一个内容管理系统。 SSCMS 7.4.0版本存在SQL注入漏洞，该漏洞源于stl:sqlContent标签中queryString属性未参数化或清理直接传递给数据库执行，可能导致攻击者通过加密有效载荷执行任意SQL语句，导致未授权数据库访问、数据泄露、身份验证绕过、数据修改或数据库完全受损。
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
siteserver SSCMS 7.4.0 -

II. Public POCs for CVE-2026-7435

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III. Intelligence Information for CVE-2026-7435

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Vendor Advisories for CVE-2026-7435 (2)

Other References for CVE-2026-7435 (1)

IV. Related Vulnerabilities

Same product: SSCMS
Same vendor: siteserver
Same weakness: CWE-89

V. Comments for CVE-2026-7435

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