What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-30 · updated 2026-10-26
• Weakness: CWE-89

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.

Affected products

• siteserver SSCMS: 7.4.0

References

• https://github.com/siteserver/cms
• https://github.com/siteserver/cms/issues/3891
• https://www.vulncheck.com/advisories/sscms-sql-injection-via-stl-sqlcontent-querystring
• https://github.com/siteserver/cms/issues/3891

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