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CVE-2023-5414 - Email Subscribers Plugin

CVE-2023-5414

The Icegram Express plugin for WordPress is vulnerable to Directory Traversal in versions up to, and including, 5.6.23 via the show_es_logs function. This allows administrator-level attackers to read the contents of arbitrary files on the server, which can contain sensitive information including those belonging to other sites, for example in shared hosting environments.

CVE-2023-5414

CRITICAL CVSS 9.1 Published 2023-10-20 Updated 2024-11-21
AI Risk Critical (93/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P1 Immediate
Severity Band CRITICAL
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected Components 2
Reference Links 3
AI Risk Engine Critical (93/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2023-10-20 CVE published and first recorded in the threat feed.
  2. 2024-11-21 Record updated with latest vulnerability metadata.
  3. 2026-04-09 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 7 days ago

AI enriched 7 days ago (2026-04-09 06:10 UTC)

Technical Summary

The Icegram Express plugin for WordPress is vulnerable to Directory Traversal in versions up to, and including, 5.6.23 via the show_es_logs function. This allows administrator-level attackers to read the contents of arbitrary files on the server, which can contain sensitive information including those belonging to other sites, for example in shared hosting environments.

Potential Impact

Severity is CRITICAL (CVSS 9.1). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on remote code execution potential.

Primary risk drivers: remote code execution potential

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

Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Email Subscribers PLUGIN · email-subscribers Affected range not specified Fixed version not specified
Icegram Express PLUGIN · icegram-express Affected: <= 5.6.23 Fixed version not specified
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