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PatchSiren cyber security CVE debrief

CVE-2026-74925 MultiVendorX CVE debrief

The MultiVendorX WordPress plugin before 5.0.16 does not restrict who can update its role and capability settings, allowing users holding its vendor role to grant that role administrator-level capabilities and take over the site. This high-severity vulnerability allows users with the vendor role to escalate privileges and potentially take over the site. WordPress administrators and security teams should assess exposure and prioritize remediation for affected installations. The CVE record and NVD entry provide details on the vulnerability.

Vendor
MultiVendorX
Product
MultiVendorX WordPress plugin
CVSS
HIGH 7.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-11
Original CVE updated
2026-09-11
Advisory published
2026-09-11
Advisory updated
2026-09-11

Who should care

WordPress administrators and security teams responsible for maintaining installations using the MultiVendorX plugin should assess exposure and prioritize remediation for affected installations. This includes reviewing plugin versions, verifying updates, and ensuring compensating controls are in place for exposed systems.

Why it matters

CVE-2026-74925 is a high-severity vulnerability in the MultiVendorX WordPress plugin that allows users with the vendor role to grant administrator-level capabilities, potentially leading to site takeover. WordPress administrators and security teams should assess exposure and prioritize remediation for affected installations.

  • Potential privilege escalation for users holding the vendor role
  • Possible site takeover by exploiting the vulnerability

Technical summary

The MultiVendorX WordPress plugin before 5.0.16 does not restrict who can update its role and capability settings, allowing users holding its vendor role to grant that role administrator-level capabilities and take over the site. This vulnerability allows for potential privilege escalation and site takeover. Affected installations should be assessed and remediated promptly.

Defensive priority

Assess exposure and prioritize remediation for WordPress installations using the MultiVendorX plugin.

Recommended defensive actions

  • Assess exposure of WordPress installations using the MultiVendorX plugin
  • Prioritize remediation for affected installations
  • Verify plugin version and update to 5.0.16 or later if necessary

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in the MultiVendorX WordPress plugin. The vulnerability allows users holding the vendor role to grant administrator-level capabilities, potentially leading to site takeover. Evidence is limited to public CVE and NVD records; further verification is recommended.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-74925 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-74925

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

  • CVE-2026-74925 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-74925

    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.