CVE-2025-9897

MEDIUM 4.3

AP Background <= 3.8.2 - Cross-Site Request Forgery

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-352
Vendor	hovanesvn
Product	ap background
Published	Oct 3, 2025
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

hovanesvn / AP Background

0 ≤ 3.8.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/f6f12812-3c14-41c1-b14b-af84f835a773?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/ap-background/tags/3.8.2/includes/functions.admin.php#L135

Credits

Nabil Irawan