VYPR
High severity8.8NVD Advisory· Published Oct 3, 2025· Updated Apr 15, 2026No known patch

CVE-2025-9561

CVE-2025-9561

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.

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Affected products

2

Patches

Vulnerability mechanics

References

3

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