How severe is CVE-2024-5674?

CVE-2024-5674 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-5674 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-5674?

CVE-2024-5674 affects Newsletter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-5674?

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

Does CVE-2024-5674 have an EU (EUVD) identifier?

Yes. CVE-2024-5674 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46847.

When was CVE-2024-5674 published?

CVE-2024-5674 was published on 2024-06-12 and last updated on 2026-06-17.

CVE-2024-5674

CVE-2024-5674 is a medium-severity vulnerability in Newsletter with a CVSS 3.x base score of 6.5. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-46847
Weakness: CWE-862
Affected product: Newsletter
Published: 2024-06-12
Last modified: 2026-06-17

Description

The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. This issue affects only sites running the PHP version below 8.0

Frequently asked questions

What is CVE-2024-5674?: The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management due to PHP type juggling issue on the check_api_key function in all versions up to, and including, 2.4.5. This makes it possible for unauthenticated attackers to list, create or delete newsletter subscribers. This issue affects only sites running the PHP version below 8.0
How severe is CVE-2024-5674?: CVE-2024-5674 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-5674 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-5674?: CVE-2024-5674 affects Newsletter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-5674?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-5674 have an EU (EUVD) identifier?: Yes. CVE-2024-5674 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46847.
When was CVE-2024-5674 published?: CVE-2024-5674 was published on 2024-06-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:newsletter:newsletter:*:*:*:*:*:wordpress:*:*

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