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Home / Threats / CVE-2023-3999

CVE-2023-3999 - One Click Countdowns Plugin

CVE-2023-3999

Vulnerability CVE-2023-3999 PLUGIN one-click-countdowns MEDIUM

The Waiting: One-click countdowns plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on its AJAX calls in versions up to, and including, 0.6.2. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to create and delete countdowns as well as manipulate other plugin settings.

CVE-2023-3999

MEDIUM CVSS 6.3 Published 2023-08-31 Updated 2024-11-21
AI Risk Elevated (62/100) 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:N/S:U/C:L/I:L/A:L
Affected Components 2
Reference Links 2
AI Risk Engine Elevated (62/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2023-08-31 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 20 days ago

AI enriched 20 days ago (2026-04-09 10:25 UTC)

Technical Summary

The Waiting: One-click countdowns plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on its AJAX calls in versions up to, and including, 0.6.2. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to create and delete countdowns as well as manipulate other plugin settings.

Potential Impact

Severity is MEDIUM (CVSS 6.3). 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

One Click Countdowns PLUGIN · one-click-countdowns Affected range not specified Fixed version not specified
Waiting PLUGIN · waiting Affected: <= 0.6.2 Fixed version not specified
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