CVE-2025-8891

Name: CVE-2025-8891
Creator: NVD / NIST
Published: 2025-08-13T04:16:19.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-8891 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS Probability

0.19%

9.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Oceanwp	Oceanwp	>= 4.0.9, <= 4.1.1

References

https://research.cleantalk.org/cve-2025-8891/Exploit, Third Party Advisory
https://themes.trac.wordpress.org/changeset/283264/oceanwp/4.1.2/inc/activation-notice/api.phpPatch
https://www.wordfence.com/threat-intel/vulnerabilities/id/9c6f9a3d-54a6-4405-b42b-37fc8342af96?source=cveThird Party Advisory
https://research.cleantalk.org/cve-2025-8891/Exploit, Third Party Advisory

Timeline

Published: Aug 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-8891?

How severe is CVE-2025-8891?

CVE-2025-8891 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8891?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8891?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST