CSRF in Hovanesvn Ap Background

CVE-2025-9897

The AP Background plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.8.2. This is due to missing or incorrect nonce validation on the advParallaxBackAdminSaveSlider function. This makes it possible for unauthenticated attackers to create or modify background sliders 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)

EPSS: 0.001 (2.6th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-9897?
CVE-2025-9897 is a medium-severity vulnerability in Hovanesvn Ap Background, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2025-10-03.
How severe is CVE-2025-9897?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-9897 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.