CVE-2026-7435

SSCMS v7.4.0 SQL Injection via stl:sqlContent queryString

State: Published
Severity: 8.6 High
Published: Apr 30, 2026
Updated: Jul 28, 2026
Reserved: Apr 29, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected Products

Product	Versions
SSCMSsiteserver	7.4.0Affected

References

https://github.com/siteserver/cms/issues/3891issue-tracking
https://github.com/siteserver/cmsproduct
https://www.vulncheck.com/advisories/sscms-sql-injection-via-stl-sqlcontent-querystringthird-party-advisory

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