CVE-2024-57273 Cross-site scripting in n/a

Medium 5.4 Published Updated

Remote attackers can execute arbitrary JavaScript, delete backups, or leak sensitive information via an unsanitized field in the Automatic Configuration Backup service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2024-57273?

CVE-2024-57273 is a medium-severity cross-site scripting vulnerability in n/a, published on 14 May 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Netgate pfSense CE (prior to 2.8.0 beta release) and corresponding Plus builds is vulnerable to Cross-site scripting (XSS) in the Automatic Configuration Backup (ACB) service, allowing remote attackers to execute arbitrary JavaScript, delete backups, or leak sensitive information via an unsanitized "reason" field and a derivable device key generated from the public SSH key.

Weakness: CWE-79

Which versions are affected by CVE-2024-57273?

It affects 2 products.

Products include Netgate Pfsense Ce, Netgate Pfsense Plus.

How do I fix CVE-2024-57273?

No fix has been published for CVE-2024-57273 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-2024-57273 being exploited?

There is no known exploitation of CVE-2024-57273 in the wild and no public exploit code.

Sources

Also known as GHSA-v5vr-7qc6-xw56.

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