CVE-2025-9561 | BDVDB-2026-296482 Detail

hovanesvnAP Background

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-434 Unrestricted Upload of File with Dangerous Type

References#

Exploit#

No public exploit known

History#

Version 12025-10-03Record published in the CVE List.

Published

Published: 2025-10-03
Last modified: 2025-10-03

Vendor information

Vendor: hovanesvn
Product: AP Background

All hovanesvn vulnerabilities

Score

8.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 51.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Unrestricted File Upload

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 3.8.1 and <= 3.8.2
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).