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Advanced Cron Manager <= 2.4.1 — Subscriber+ Arbitrary Events/Schedules Creation/Deletion

CVE-2021-25084Published · Updated

Action summary

Advanced Cron Manager – debug & control: Affected: <2.4.2Update to 2.4.2 or newer

Advanced Cron Manager Pro: Affected: <2.4.2Update to 2.4.2 or newer

All remediation steps
Watch plugin
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Advanced Cron Manager – debug & control advanced-cron-manager

  1. Affected< 2.4.2
  2. Patched in2.4.2

Update to 2.4.2 or newer.

You are affected if you run < 2.4.2. Version 2.4.2 and later are not affected by this issue.

Advanced Cron Manager Pro advanced-cron-manager-pro

  1. Affected< 2.4.2
  2. Patched in2.4.2

Update to 2.4.2 or newer.

You are affected if you run < 2.4.2. Version 2.4.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Advanced Cron Manager – debug & control.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.4.2, or a newer patched version
  2. Update to version 2.4.2, or a newer patched version
  3. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  4. Watch Advanced Cron Manager – debug & control to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Krzysztof Zając.

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

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Advanced Cron Manager – debug & control

All 4
More vulnerabilities in Advanced Cron Manager – debug & control
SeverityVulnerabilityCVEPublished
Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤2.5.6Update to 2.5.7
CVE-2024-4004
Medium4.3Missing Authorization
≤2.5.9Update to 2.5.10
CVE-2024-43154
Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤2.5.2Update to 2.5.3
CVE-2024-31926

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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