CVE-2021-29110 Cross-site scripting in Portal for ArcGIS
Remote unauthenticated attackers can inject malicious scripts into the home application, potentially executing code in victim 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-2021-29110?
CVE-2021-29110 is a medium-severity cross-site scripting vulnerability in Esri Portal for Arcgis, published on 1 Oct 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) issue in Esri Portal for ArcGIS may allow a remote unauthenticated attacker to pass and store malicious strings in the home application.
Weakness: CWE-79
Which versions are affected by CVE-2021-29110?
It affects 1 product.
Products include Esri Portal for Arcgis.
How do I fix CVE-2021-29110?
No fix has been published for CVE-2021-29110 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-2021-29110 being exploited?
There is no known exploitation of CVE-2021-29110 in the wild and no public exploit code.
Other vulnerabilities in Esri Portal for Arcgis
Sources
Also known as GHSA-v4cr-28cr-wjhv.