CVE-2021-44203 Stored cross-site scripting (XSS) was possible in protection plan details

Medium 5.4 Published Updated

Attackers can inject malicious scripts into protection plan details, potentially executing code or hijacking user accounts in Acronis Cyber Protect.

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-2021-44203?

CVE-2021-44203 is a medium-severity cross-site scripting vulnerability in Acronis Cyber Protect, published on 29 Nov 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

Stored cross-site scripting (XSS) was possible in protection plan details. The following products are affected: Acronis Cyber Protect 15 (Windows, Linux) before build 28035

Weakness: CWE-79

Which versions are affected by CVE-2021-44203?

It affects 1 product.

Products include Acronis Cyber Protect.

How do I fix CVE-2021-44203?

No fix has been published for CVE-2021-44203 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-2021-44203 being exploited?

There is no known exploitation of CVE-2021-44203 in the wild and no public exploit code.

All Acronis Cyber Protect vulnerabilities

Sources

Also known as GHSA-3m7g-q8jw-q449.

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