How severe is CVE-2025-54739?

CVE-2025-54739 has a CVSS 3.x base score of 5.3, 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 none, and availability none.

Is CVE-2025-54739 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-54739?

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

Does CVE-2025-54739 have an EU (EUVD) identifier?

Yes. CVE-2025-54739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24916.

When was CVE-2025-54739 published?

CVE-2025-54739 was published on 2025-08-14 and last updated on 2026-06-17.

CVE-2025-54739

CVE-2025-54739 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24916
Weakness: CWE-862
Published: 2025-08-14
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nexter Blocks: from n/a through <= 4.5.4.

Frequently asked questions

What is CVE-2025-54739?: Missing Authorization vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Nexter Blocks: from n/a through <= 4.5.4.
How severe is CVE-2025-54739?: CVE-2025-54739 has a CVSS 3.x base score of 5.3, 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 none, and availability none.
Is CVE-2025-54739 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-54739?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-54739 have an EU (EUVD) identifier?: Yes. CVE-2025-54739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24916.
When was CVE-2025-54739 published?: CVE-2025-54739 was published on 2025-08-14 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/the-plus-addons-for-block-editor/vulnerability/wordpress-nexter-blocks-plugin-plugin-4-5-4-broken-access-control-vulnerability?_s_id=cve

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