CVE-2025-63260 Cross-site scripting in n/a

Medium 5.4 Published Updated

An attacker can inject malicious scripts into Syncfusion Document-Editor and Chat-UI components, potentially executing code in victim browsers.

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-2025-63260?

CVE-2025-63260 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

SyncFusion 30.1.37 is vulnerable to Cross Site Scripting (XSS) via the Document-Editor reply to comment field and Chat-UI Chat message.

Weakness: CWE-79

Which versions are affected by CVE-2025-63260?

It affects 1 product.

Products include Syncfusion Syncfusion.

How do I fix CVE-2025-63260?

No fix has been published for CVE-2025-63260 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-2025-63260 being exploited?

There is no known exploitation of CVE-2025-63260 in the wild and no public exploit code.

Sources

Also known as GHSA-33x6-3h2c-p4c7.

Is CVE-2025-63260 in your software?

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