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CVE-2026-16276 - Before 5 Plugin

CVE-2026-16276

The Classified Listing WordPress plugin before 5.4.4 does not perform a capability check on an AJAX action that returns aggregated store revenue totals, allowing users with contributor-level access and above to read daily revenue figures normally restricted to administrators and report managers.

CVE-2026-16276

UNKNOWN CVSS 0.0 Published 2026-08-03 Updated 2026-08-03
AI Risk Low (5/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P5 Monitor
Severity Band UNKNOWN
CVSS Vector Unspecified
Affected Components 2
Reference Links 1
AI Risk Engine Low (5/100)
Exploitability Low
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-08-03 CVE published and first recorded in the threat feed.
  2. 2026-08-03 Record updated with latest vulnerability metadata.
  3. 2026-08-03 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated just now

AI enriched just now (2026-08-03 18:57 UTC)

Technical Summary

The Classified Listing WordPress plugin before 5.4.4 does not perform a capability check on an AJAX action that returns aggregated store revenue totals, allowing users with contributor-level access and above to read daily revenue figures normally restricted to administrators and report managers.

Potential Impact

Severity is UNKNOWN (CVSS 0.0). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as Low based on severity and technical exposure profile.

Primary risk drivers: severity and technical exposure profile

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 5/100 (Low, Low) with priority P5 Monitor. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Before 5 PLUGIN · before-5 Affected: < 5.4.4 Fixed in: 5.4.4
Classified Listing PLUGIN · classified-listing Affected: < 5.4.4 Fixed in: 5.4.4
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