CVE-2021-27887 Stored XSS vulnerability in Ellipse APM
Authenticated users can inject malicious scripts into the Ellipse APM dashboard, potentially executing code in victims' browsers.
- 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-2021-27887?
CVE-2021-27887 is a medium-severity cross-site scripting vulnerability in n/a, published on 14 Jun 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
Cross-site Scripting (XSS) vulnerability in the main dashboard of Ellipse APM versions allows an authenticated user or integrated application to inject malicious data into the application that can then be executed in a victim’s browser. This issue affects: Hitachi ABB Power Grids Ellipse APM 5.3 version 5.3.0.1 and prior versions; 5.2 version 5.2.0.3 and prior versions; 5.1 version 5.1.0.6 and prior versions.
Weakness: CWE-79
Which versions are affected by CVE-2021-27887?
It affects 1 product.
Products include Hitachiabb-Powergrids Ellipse Asset Performance Management.
How do I fix CVE-2021-27887?
No fix has been published for CVE-2021-27887 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-2021-27887 being exploited?
There is no known exploitation of CVE-2021-27887 in the wild and no public exploit code.
Sources
Also known as GHSA-wrwg-x39f-9cmf.