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PatchSiren cyber security CVE debrief

CVE-2026-42651 Mamunur Rashid CVE debrief

A Subscriber Broken Access Control vulnerability exists in the Classified Listing plugin versions <= 5.3.9. This vulnerability has been assigned a CVSS score of 6.3, indicating a Medium severity level. The vulnerability allows unauthorized access to sensitive data, potentially leading to confidentiality, integrity, and availability impacts.

Vendor
Mamunur Rashid
Product
Classified Listing
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of the Classified Listing plugin, particularly those using versions <= 5.3.9, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability is caused by inadequate access control mechanisms in the Classified Listing plugin. This allows low-privileged users to access sensitive data without proper authorization.

Defensive priority

High

Recommended defensive actions

  • Update the Classified Listing plugin to a version greater than 5.3.9.
  • Review and restrict access to sensitive data and functionality within the plugin.

Evidence notes

Evidence suggests that this vulnerability was discovered and reported by Patchstack.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42651 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42651

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

  • CVE-2026-42651 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42651

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

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.