CVE-2022-38067Network attack vector

Unauthenticated event deletion via unchecked AJAX actions

Published Sep 9, 2022 · Updated Apr 28, 2026

Missing authorization in Totalsoft Event Calendar – Calendar 1.4.6 and earlier allows remote attackers to delete calendar events. Several AJAX-reachable event-modification functions process requests without authorization or capability checks, exposing edit, clone, and delete operations. No WordPress account is required, and successful requests can alter or remove event records and disrupt calendar content.

CVSS severity6.5
Medium
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Totalsoft Event Calendar – Calendar 1.4.6 and earlier allows remote attackers to delete calendar events. Several AJAX-reachable event-modification functions process requests without authorization or capability checks, exposing edit, clone, and delete operations. No WordPress account is required, and successful requests can alter or remove event records and disrupt calendar content.

The record

CVE
CVE-2022-38067
Published
Sep 9, 2022
Updated
Apr 28, 2026
Vendor
Totalsoft
Product
Event Calendar – Calendar
Classifications
CWE-264, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 9, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=<= 1.4.6 <=1.4.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Totalsoft · Event Calendar – Calendarversion=<= 1.4.6 <=1.4.6

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
5.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-264Permissions, Privileges, and Access Controls
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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