CVE-2026-12812 Radware Cyber Controller HTML Report Generation HTML injection

Medium 5.1 Published Updated

Remote attackers can inject malicious HTML into Radware Cyber Controller reports, potentially executing scripts or bypassing security controls.

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-2026-12812?

CVE-2026-12812 is a medium-severity cross-site scripting vulnerability in Radware Cyber Controller, published on 21 Jun 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

A security vulnerability has been detected in Radware Cyber Controller up to 10.11.0. This affects an unknown part of the component HTML Report Generation. The manipulation leads to HTML injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-80, CWE-74

Which versions are affected by CVE-2026-12812?

How do I fix CVE-2026-12812?

No fix has been published for CVE-2026-12812 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-2026-12812 being exploited?

There is no known exploitation of CVE-2026-12812 in the wild and no public exploit code.

Sources

Also known as GHSA-h822-984p-4x2q.

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