High 8.8Published Oct 3, 2025

CVE-2025-9561AP Background 3.8.1 - 3.8.2 - Missing Authorization to Authenticated (Subscriber+) Arbitrary File Upload via advParallaxBackAdminSaveSlider Function

Updated under an hour ago (Oct 26, 2026, 5:00 PM ET)

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It affects hovanesvn AP Background. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for hovanesvn AP Background

Exploited in the last 30 days

The AP Background plugin for WordPress is vulnerable to arbitrary file uploads due to missing authorization and insufficient file validation within the advParallaxBackAdminSaveSlider() handler in versions 3.8.1 to 3.8.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-434
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Wordfence
NVD analysis: Deferred
Record last updated: Oct 3, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

hovanesvn AP Background hovanesvn:ap_background (from the name)	from 3.8.1 through 3.8.2	CNA record

References

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/e4045a2b-2bbc-4335-b6d2-af7a046f1f92?source=cve
https://wordpress.org/plugins/ap-background/
https://plugins.trac.wordpress.org/browser/ap-background/tags/3.8.2/includes/functions.admin.php

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.