How severe is CVE-2024-54367?

CVE-2024-54367 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-54367 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-54367?

CVE-2024-54367 primarily affects Ultimatemember Forumwp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-54367?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-54367 have an EU (EUVD) identifier?

Yes. CVE-2024-54367 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52489.

When was CVE-2024-54367 published?

CVE-2024-54367 was published on 2024-12-16 and last updated on 2026-06-17.

CVE-2024-54367

CVE-2024-54367 is a critical-severity vulnerability in Ultimatemember Forumwp with a CVSS 3.x base score of 9.8. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-52489
Weakness: CWE-502
Affected product: Ultimatemember Forumwp
Published: 2024-12-16
Last modified: 2026-06-17

Description

Deserialization of Untrusted Data vulnerability in Ultimate Member ForumWP forumwp allows Object Injection.This issue affects ForumWP: from n/a through <= 2.1.0.

Frequently asked questions

What is CVE-2024-54367?: Deserialization of Untrusted Data vulnerability in Ultimate Member ForumWP forumwp allows Object Injection.This issue affects ForumWP: from n/a through <= 2.1.0.
How severe is CVE-2024-54367?: CVE-2024-54367 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-54367 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-54367?: CVE-2024-54367 primarily affects Ultimatemember Forumwp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-54367?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-54367 have an EU (EUVD) identifier?: Yes. CVE-2024-54367 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52489.
When was CVE-2024-54367 published?: CVE-2024-54367 was published on 2024-12-16 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/forumwp/vulnerability/wordpress-forumwp-plugin-2-1-0-php-object-injection-vulnerability?_s_id=cve

Affected products (2)

cpe:2.3:a:ultimatemember:forumwp:*:*:*:*:free:wordpress:*:*
cpe:2.3:a:ultimatemember:forumwp:*:*:*:*:pro:wordpress:*:*

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