How severe is CVE-2025-8891?

CVE-2025-8891 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-8891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8891?

CVE-2025-8891 affects Oceanwp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8891?

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

Does CVE-2025-8891 have an EU (EUVD) identifier?

Yes. CVE-2025-8891 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24542.

When was CVE-2025-8891 published?

CVE-2025-8891 was published on 2025-08-13 and last updated on 2026-06-17.

CVE-2025-8891

CVE-2025-8891 is a medium-severity vulnerability in Oceanwp with a CVSS 3.x base score of 4.3. 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 4.3)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24542
Weakness: CWE-352
Affected product: Oceanwp
Published: 2025-08-13
Last modified: 2026-06-17

Description

The OceanWP theme for WordPress is vulnerable to Cross-Site Request Forgery in versions 4.0.9 to 4.1.1. This is due to missing or incorrect nonce validation on the oceanwp_notice_button_click() function. This makes it possible for unauthenticated attackers to install the Ocean Extra plugin via a 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-2025-8891?: The OceanWP theme for WordPress is vulnerable to Cross-Site Request Forgery in versions 4.0.9 to 4.1.1. This is due to missing or incorrect nonce validation on the oceanwp_notice_button_click() function. This makes it possible for unauthenticated attackers to install the Ocean Extra plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
How severe is CVE-2025-8891?: CVE-2025-8891 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-8891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8891?: CVE-2025-8891 affects Oceanwp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8891?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8891 have an EU (EUVD) identifier?: Yes. CVE-2025-8891 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24542.
When was CVE-2025-8891 published?: CVE-2025-8891 was published on 2025-08-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oceanwp:oceanwp:*:*:*:*:*:wordpress:*:*

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