CSRF in Oceanwp
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (9.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Oceanwp — versions 4.0.9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/9c6f9a3d-54a6-4405-b42b-37fc8… (Third Party Advisory)
- themes.trac.wordpress.org/changeset/283264/oceanwp/4.1.2/inc/activation-notice/… (Patch)
- research.cleantalk.org/cve-2025-8891/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-8891?
- CVE-2025-8891 is a medium-severity vulnerability in Oceanwp, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2025-08-13.
- How severe is CVE-2025-8891?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2025-8891 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.