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TI-2026-06536 Aliases CVE-2026-7435GHSA-vhhj-g588-8p4h

SSCMS v7.4.0 SQL Injection via stl:sqlContent queryString

Priority HIGH 72CWE-89Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
SQL injection
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-89.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00535 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiteServerSSCMS7.4.0—No fix listedCNA
  • SSCMS VendorSiteServer Affected 7.4.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-7435
  2. 2026-10-03 Alias added: GHSA-vhhj-g588-8p4h
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Other 2

  • TI-2026-75444 SiteServer SSCMS authorization bypass exposes other sites' channels CVSS 4.0MEDIUM 5.1
  • TI-2026-06532 SSCMS v7.4.0 Reflected Cross-Site Scripting via STL Processing CVSS 4.0LOW 2.1
  • TI-2019-08517 A issue was discovered in SiteServer CMS 6.9.0. CVSS 3.0HIGH 7.2
  • TI-2023-02682 SiteServer CMS search cross site scripting CVSS 3.1MEDIUM 6.1
  • TI-2026-56879 SiteServer SSCMS Agent Installation Workflow access control CVSS 4.0LOW 2.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences