CVE-2021-25084: Advanced Cron Manager - Subscriber+ Arbitrary Events/Schedules Creation/Deletion

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-02-07 · updated 2026-06-17
Weakness: CWE-862

Description

The Advanced Cron Manager WordPress plugin before 2.4.2 and Advanced Cron Manager Pro WordPress plugin before 2.5.3 do not have authorisation checks in some of their AJAX actions, allowing any authenticated users, such as subscriber to call them and add or remove events as well as schedules for example

Affected products

Advanced Cron Manager: before 2.4.2; before 2.5.3 — fixed in 2.4.2, 2.5.3

How to fix

Upgrade to a fixed version: Advanced Cron Manager 2.4.2, 2.5.3. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/7c5c602f-499f-431b-80bc-507053984a06
https://wpscan.com/vulnerability/7c5c602f-499f-431b-80bc-507053984a06

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