How severe is CVE-2026-4234?

CVE-2026-4234 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-4234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4234?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-4234 have an EU (EUVD) identifier?

Yes. CVE-2026-4234 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12401.

When was CVE-2026-4234 published?

CVE-2026-4234 was published on 2026-03-16 and last updated on 2026-06-17.

CVE-2026-4234

CVE-2026-4234 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12401
Weakness: CWE-74
Published: 2026-03-16
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-4234?: CVE-2026-4234 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-4234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4234?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4234 have an EU (EUVD) identifier?: Yes. CVE-2026-4234 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12401.
When was CVE-2026-4234 published?: CVE-2026-4234 was published on 2026-03-16 and last updated on 2026-06-17.

References

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