What’s Vulnerable › Vulnerabilities

CVE-2021-25025: Event Calendar < 1.1.51 - Subscriber+ Event Creation

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-17 · updated 2026-06-17
• Weakness: CWE-352

Description

The EventCalendar WordPress plugin before 1.1.51 does not have proper authorisation and CSRF checks in the add_calendar_event AJAX actions, allowing users with a role as low as subscriber to create events

Affected products

• EventCalendar: before 1.1.51 — fixed in 1.1.51

How to fix

Upgrade to a fixed version: EventCalendar 1.1.51. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/24fb4eb4-9fe1-4433-8844-8904eaf13c0e
• https://wpscan.com/vulnerability/24fb4eb4-9fe1-4433-8844-8904eaf13c0e

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