CVE-2025-8490 All-in-One WP Migration and Backup <= 7.97 - Authenticated (Administrator+) Stored Cross-Site Scripting via Import

Medium 4.4 Published Updated

Administrators can inject scripts via import in specific WordPress configurations, allowing execution when users view pages.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-8490?

CVE-2025-8490 is a medium-severity cross-site scripting vulnerability in servmask All-in-One WP Migration and Backup, published on 26 Aug 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The All-in-One WP Migration and Backup plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Import in all versions up to, and including, 7.97 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Weakness: CWE-79

Which versions are affected by CVE-2025-8490?

How do I fix CVE-2025-8490?

No fix has been published for CVE-2025-8490 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-8490 being exploited?

There is no known exploitation of CVE-2025-8490 in the wild and no public exploit code.

Sources

Also known as GHSA-m546-hgm8-6c99.

Is CVE-2025-8490 in your software?

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