PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-51025 fuint CVE debrief

A Cross Site Scripting vulnerability in fuint Member Marketing System version 1.0 or earlier allows a remote attacker to execute arbitrary JavaScript code via the ClientMessageController.java file. The vulnerability has a CVSS score of 6.1 and a severity of MEDIUM. This vulnerability can have significant impacts on the security of the system, allowing attackers to execute malicious code and potentially leading to unauthorized access or data breaches. Defenders responsible for the fuint Member Marketing System should assess their exposure to this vulnerability and prioritize patching or mitigation efforts to prevent exploitation.

Vendor
fuint
Product
Member Marketing System
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-20
Original CVE updated
2026-10-24
Advisory published
2026-07-20
Advisory updated
2026-10-24

Who should care

Defenders responsible for the fuint Member Marketing System should assess their exposure to this vulnerability and prioritize patching or mitigation efforts.

Why it matters

CVE-2026-51025 is a Cross Site Scripting vulnerability in fuint Member Marketing System version 1.0 or earlier. Defenders should assess exposure and prioritize patching or mitigation efforts to prevent remote attackers from executing arbitrary JavaScript code.

  • Remote attackers may be able to execute arbitrary JavaScript code
  • Defenders need to verify the presence of the vulnerable ClientMessageController.java file
  • Patching or mitigation efforts are necessary to prevent exploitation

Technical summary

The fuint Member Marketing System version 1.0 or earlier is vulnerable to Cross Site Scripting. The vulnerability is located in the ClientMessageController.java file and allows a remote attacker to execute arbitrary JavaScript code. This vulnerability can be exploited by an attacker to execute malicious code, potentially leading to unauthorized access or data breaches. The vulnerability has a CVSS score of 6.1 and a severity of MEDIUM, indicating a moderate level of risk. Defenders should prioritize verifying the presence of this vulnerability in their systems and

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their systems and applying patches or mitigations as necessary.

Recommended defensive actions

  • Verify the presence of the vulnerable ClientMessageController.java file in the fuint Member Marketing System
  • Check if the system is running version 1.0 or earlier
  • Apply patches or mitigations as necessary to prevent exploitation

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, including its existence, CVSS score, and affected product. However, details about the vulnerability's impact, exploitation, and remediation are not provided.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-51025 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-51025

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-51025 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-51025

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.