CVE-2021-41871 Cross-site scripting in n/a

Medium 5.4 Published Updated

Stored XSS in Socomec Remote View Pro allows attackers to execute scripts when administrators view the System Event Log, potentially leading to account takeover.

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-2021-41871?

CVE-2021-41871 is a medium-severity cross-site scripting vulnerability in n/a, published on 15 Dec 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

An issue was discovered in Socomec REMOTE VIEW PRO 2.0.41.4. Improper validation of input into the username field makes it possible to place a stored XSS payload. This is executed if an administrator views the System Event Log.

Weakness: CWE-79

Which versions are affected by CVE-2021-41871?

It affects 1 product.

Products include Socomec Remote View Pro Firmware.

How do I fix CVE-2021-41871?

No fix has been published for CVE-2021-41871 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-2021-41871 being exploited?

There is no known exploitation of CVE-2021-41871 in the wild and no public exploit code.

Sources

Also known as GHSA-9p3v-445m-vf8m.

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