CVE-2025-63872 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can execute arbitrary JavaScript via model-generated SVG content in DeepSeek V3.2, potentially compromising user sessions.

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-2025-63872?

CVE-2025-63872 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 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

DeepSeek V3.2 has a Cross Site Scripting (XSS) vulnerability, which allows JavaScript execution through model-generated SVG content.

Weakness: CWE-79

Which versions are affected by CVE-2025-63872?

It affects 1 product.

Products include Deepseek Deepseek.

How do I fix CVE-2025-63872?

No fix has been published for CVE-2025-63872 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-2025-63872 being exploited?

There is no known exploitation of CVE-2025-63872 in the wild and no public exploit code.

Sources

Also known as GHSA-6qf7-f2m4-35xq.

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