CVE-2025-9561 File upload in AP Background
Authenticated subscribers can upload arbitrary files via missing authorization, potentially leading to remote code execution on WordPress sites.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-9561?
CVE-2025-9561 is a high-severity vulnerability in hovanesvn AP Background, published on 3 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2025-9561?
How do I fix CVE-2025-9561?
No fix has been published for CVE-2025-9561 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-9561 being exploited?
There is no known exploitation of CVE-2025-9561 in the wild and no public exploit code.
Sources
Also known as GHSA-cgpg-6265-g3wp.