What is CVE-2026-4234?

CVE-2026-4234 is a medium-severity vulnerability in Sscms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-03-16.

How severe is CVE-2026-4234?

Medium severity. CVSS v3 base score is 6.3 out of 10.

SQL Injection in Sscms

CVE-2026-4234

A security flaw has been discovered in SSCMS 7.4.0. This vulnerability affects unknown code of the file SitesAddController.Submit.cs of the component DDL Handler. The manipulation of the argument tableHandWrite results in sql injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Published 2026-03-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (22.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Sscms — versions 7.4.0

Weakness classification (CWE)

References

vuldb.com/ (technical-description, vdb-entry)
vuldb.com/ (signature, permissions-required)
vuldb.com/ (third-party-advisory)
www.yuque.com/la12138/pa2fpb/uzhex80ydgktvzok (exploit)

Frequently asked questions

What is CVE-2026-4234?: CVE-2026-4234 is a medium-severity vulnerability in Sscms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-03-16.
How severe is CVE-2026-4234?: Medium severity. CVSS v3 base score is 6.3 out of 10.