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Countdown, Coming Soon, Maintenance – Countdown & Clock <= 2.7.8 — Missing Authorization to Authenticated (Subscriber+) PHP Object Injection

CVE-2024-2017Published · Updated

Action summary

Affected: ≤2.7.8Update to 2.7.8.1 or newer

All remediation steps
Watch plugin
Severity
Medium5.4
CVSS
5.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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:L Confidentiality
Low
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?

Countdown, Coming Soon, Maintenance – Countdown & Clock countdown-builder

  1. Affected≤ 2.7.8
  2. Patched in2.7.8.1

Update to 2.7.8.1 or newer.

You are affected if you run ≤ 2.7.8. Version 2.7.8.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Countdown, Coming Soon, Maintenance – Countdown & Clock.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.7.8.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Countdown, Coming Soon, Maintenance – Countdown & Clock to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Lucio Sá.

The Countdown, Coming Soon, Maintenance – Countdown & Clock plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on the conditionsRow and switchCountdown functions in all versions up to, and including, 2.7.8. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject PHP Objects and modify the status of countdowns.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Countdown, Coming Soon, Maintenance – Countdown & Clock

All 10
More vulnerabilities in Countdown, Coming Soon, Maintenance – Countdown & Clock
SeverityVulnerabilityCVEPublished
High8.1Unauthenticated Limited Local File Inclusion
≤2.8.9.1Update to 2.9.0
CVE-2025-2270
High8.8Authenticated (Contributor+) Remote Code Execution
≤2.8.8Update to 2.8.9
CVE-2025-30841
Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤2.9.3No patch available
CVE-2024-50516
Medium5.5Authenticated Cross-Site Scripting
≤2.3.9.5Update to 2.3.9.6
—
Low3.8Pro Features Lock Bypass
≤2.3.2Update to 2.3.3
CVE-2022-29423

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 5.4

  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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