CVE-2021-47858 Genexis Platinum-4410 P4410-V2-1.31A - 'start_addr' Persistent Cross-Site Scripting

Medium 5.1 Published Updated

Attackers can inject persistent scripts into the security management interface, potentially compromising privileged user sessions on Genexis Platinum-4410 devices.

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-2021-47858?

CVE-2021-47858 is a medium-severity cross-site scripting vulnerability in Genexis Platinum-4410, published on 21 Jan 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

Genexis Platinum-4410 P4410-V2-1.31A contains a stored cross-site scripting vulnerability in the 'start_addr' parameter of the Security Management interface. Attackers can inject malicious scripts through the start source address field that will persist and trigger for privileged users when they access the security management page.

Weakness: CWE-79

Which versions are affected by CVE-2021-47858?

How do I fix CVE-2021-47858?

No fix has been published for CVE-2021-47858 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-2021-47858 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47858 exists.

Sources

Also known as GHSA-66q7-gph7-j8gc.

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