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Vulnerability Intelligence

CVE-2023-6360

CriticalExploitedPublic exploit

The 'My Calendar' WordPress Plugin, version < 3.4.22 is affected by an unauthenticated SQL injection vulnerability in the 'from' and 'to' parameters in the '/my-calendar/v1/events' rest route.

Published Nov 30, 2023 · Updated Nov 21, 2024 · Also known as 496b1c3a-7fbb-4088-9936-6b023718946d

Key Facts

Patch immediately
  • CVE-2023-6360 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting My Calendar (Joedolson).
  • It is exploited in the wild, listed in Industry KEV feed since Dec 19, 2025. Public exploit code is available.
  • EPSS estimates a 63% probability of exploitation in the next 30 days.
  • Fixed versions are available, including My Calendar 3.4.22.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

63%

Higher than 99.1% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

Available

Proof-of-concept or weaponized module

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Description

The 'My Calendar' WordPress Plugin, version < 3.4.22 is affected by an unauthenticated SQL injection vulnerability in the 'from' and 'to' parameters in the '/my-calendar/v1/events' rest route.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedDec 19, 2025n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
My CalendarJoedolsonSee advisory3.4.22

Patched Releases

My Calendar

3.4.22

Timeline

  1. Publicly disclosed

    Nov 30, 2023

  2. Last updated

    Nov 21, 2024

  3. Added to Industry KEV feed

    Dec 19, 2025

Weakness Type

  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

FAQ

Common Questions.

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