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CVE-2022-3852 - Vr Calendar Plugin

CVE-2022-3852

The VR Calendar plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.3.3. This is due to missing or incorrect nonce validation on several functions. This makes it possible for unauthenticated attackers to delete, and modify calendars as well as the plugin settings, via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVE-2022-3852

HIGH CVSS 8.8 Published 2022-11-03 Updated 2024-11-21
AI Risk High (84/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P2 Urgent
Severity Band HIGH
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Components 2
Reference Links 3
AI Risk Engine High (84/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2022-11-03 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 07:56 UTC)

Technical Summary

The VR Calendar plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.3.3. This is due to missing or incorrect nonce validation on several functions. This makes it possible for unauthenticated attackers to delete, and modify calendars as well as the plugin settings, via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Potential Impact

Severity is HIGH (CVSS 8.8). 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 low-bar exploit prerequisites.

Primary risk drivers: low-bar exploit prerequisites

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

Vr Calendar PLUGIN · vr-calendar Affected: < 2.3.4 Fixed in: 2.3.4
Vr Calendar Sync PLUGIN · vr-calendar-sync Affected: < 2.3.4 Fixed in: 2.3.4
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