How severe is CVE-2023-4000?

CVE-2023-4000 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-4000 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4000?

CVE-2023-4000 affects Plugin Waiting. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4000?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-4000 published?

CVE-2023-4000 was published on 2023-08-31 and last updated on 2026-06-17.

CVE-2023-4000

CVE-2023-4000 is a medium-severity vulnerability in Plugin Waiting with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Plugin Waiting
Published: 2023-08-31
Last modified: 2026-06-17

Description

The Waiting: One-click countdowns plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.6.2. This is due to missing or incorrect nonce validation on its AJAX actions. This makes it possible for unauthenticated attackers to create and delete countdowns, via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Frequently asked questions

What is CVE-2023-4000?: The Waiting: One-click countdowns plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 0.6.2. This is due to missing or incorrect nonce validation on its AJAX actions. This makes it possible for unauthenticated attackers to create and delete countdowns, via forged request granted they can trick a site administrator into performing an action such as clicking on a link.
How severe is CVE-2023-4000?: CVE-2023-4000 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-4000 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4000?: CVE-2023-4000 affects Plugin Waiting. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4000?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4000 published?: CVE-2023-4000 was published on 2023-08-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:plugin:waiting:*:*:*:*:*:wordpress:*:*

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