CVE-2025-10949 Changsha Developer Technology iView Editor Markdown cross site scripting

Medium 4.8 Published Updated

Remote attackers can execute arbitrary scripts via the Markdown handler in iView Editor, potentially compromising user sessions.

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

What is CVE-2025-10949?

CVE-2025-10949 is a medium-severity cross-site scripting vulnerability in Changsha Developer Technology iView Editor, published on 25 Sep 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A vulnerability was found in Changsha Developer Technology iView Editor up to 1.1.1. This impacts an unknown function of the component Markdown Handler. The manipulation results in cross site scripting. The attack may be performed from remote. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-10949?

How do I fix CVE-2025-10949?

No fix has been published for CVE-2025-10949 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-2025-10949 being exploited?

There is no known exploitation of CVE-2025-10949 in the wild and no public exploit code.

Sources

Also known as GHSA-7f47-jqxc-5gjr.

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