CVE-2026-7000 Datacom DM4100 VLAN Page cross site scripting
Remote attackers can inject malicious scripts via the VLAN Name field in the Datacom DM4100 VLAN page, 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-2026-7000?
CVE-2026-7000 is a medium-severity cross-site scripting vulnerability in Datacom DM4100, published on 25 Apr 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A vulnerability has been found in Datacom DM4100 1.3.6.1.4.1.3709. Affected by this issue is some unknown functionality of the component VLAN Page. Such manipulation of the argument VLAN Name leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-7000?
How do I fix CVE-2026-7000?
No fix has been published for CVE-2026-7000 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-2026-7000 being exploited?
There is no known exploitation of CVE-2026-7000 in the wild and no public exploit code.
Sources
Also known as GHSA-cvh8-8w75-r86p.