CVE-2026-7435
CVE-2026-7435 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v4: 8.6
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-26437
- Weakness: CWE-89
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-7435?
- 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.
- How severe is CVE-2026-7435?
- CVE-2026-7435 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-7435 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-7435?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-7435 have an EU (EUVD) identifier?
- Yes. CVE-2026-7435 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26437.
- When was CVE-2026-7435 published?
- CVE-2026-7435 was published on 2026-04-30 and last updated on 2026-06-17.
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
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