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PatchSiren cyber security CVE debrief

CVE-2019-25731 Zuz CVE debrief

CVE-2019-25731 is a persistent cross-site scripting vulnerability in Zuz Music 2.1. The vulnerability allows unauthenticated attackers to inject malicious JavaScript by submitting crafted contact form data. Attackers can inject script code through the name, subject, and message parameters in POST requests to /gmusic/zuzconsole/___contact, which executes when administrators view messages in the inbox interface. The CVSS score for this vulnerability is 5.3, with a severity rating of MEDIUM.

Vendor
Zuz
Product
Zuz Music
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Administrators and users of Zuz Music 2.1 should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is caused by inadequate input validation and sanitization of user-supplied data in the contact form. Attackers can exploit this vulnerability by submitting malicious data, which is then executed when administrators view the messages.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply patches or updates to Zuz Music 2.1 to fix the vulnerability.
  • Implement input validation and sanitization for user-supplied data in the contact form.
  • Monitor the inbox interface for suspicious activity.

Evidence notes

The CVE record and NVD detail provide information on the vulnerability, including its CVSS score and severity rating.

Sources and references

Verified primary and authoritative sources

  • CVE-2019-25731 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-25731

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

  • CVE-2019-25731 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2019-25731

    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.