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Home / Threats / CVE-2023-45829

CVE-2023-45829 - Email Newsletter Plugin

CVE-2023-45829

Vulnerability CVE-2023-45829 PLUGIN email-newsletter MEDIUM

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in HappyBox Newsletter & Bulk Email Sender – Email Newsletter Plugin for WordPress plugin

CVE-2023-45829

MEDIUM CVSS 6.5 Published 2023-10-25 Updated 2024-11-21
AI Risk Elevated (56/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P3 Priority
Severity Band MEDIUM
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Affected Components 2
Reference Links 1
AI Risk Engine Elevated (56/100)
Exploitability Medium
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2023-10-25 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 40 days ago

AI enriched 40 days ago (2026-04-09 10:57 UTC)

Technical Summary

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in HappyBox Newsletter & Bulk Email Sender – Email Newsletter Plugin for WordPress plugin

Potential Impact

Severity is MEDIUM (CVSS 6.5). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as Medium 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

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

Affected Products

Email Newsletter PLUGIN · email-newsletter Affected range not specified Fixed version not specified
Newsletter Bulk Email Sender PLUGIN · newsletter-bulk-email-sender Affected: <= 2.0.1 Fixed version not specified

Related Vulnerabilities

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No related vulnerability records were found yet for this context.

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