CVE-2025-65516 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can execute arbitrary JavaScript in victims' browsers via crafted SVG files when the Golang file server is enabled.

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

What is CVE-2025-65516?

CVE-2025-65516 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Dec 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A stored cross-site scripting (XSS) vulnerability was discovered in Seafile Community Edition prior to version 13.0.12. When Seafile is configured with the Golang file server, an attacker can upload a crafted SVG file containing malicious JavaScript and share it using a public link. Opening the link triggers script execution in the victim's browser. This issue has been fixed in Seafile Community Edition 13.0.12.

Weakness: CWE-79

Which versions are affected by CVE-2025-65516?

It affects 1 product.

Products include Seafile Seafile Server.

How do I fix CVE-2025-65516?

No fix has been published for CVE-2025-65516 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-2025-65516 being exploited?

There is no known exploitation of CVE-2025-65516 in the wild and no public exploit code.

Sources

Also known as GHSA-86jv-vvjm-w37g.

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