CVE-2021-29107 There is a stored Cross Site Scripting (XXS) vulnerability in ArcGIS Server Manager version 10.8.1 and below.

Medium 6.1 Published 10 Jul 2021 Updated 10 Apr 2025

Remote unauthenticated attackers can inject malicious scripts into ArcGIS Server Manager, potentially leading to code execution or account takeover.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-29107?

CVE-2021-29107 is a medium-severity cross-site scripting vulnerability in Esri Arcgis Server, published on 10 Jul 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A stored Cross Site Scripting (XXS) vulnerability in ArcGIS Server Manager version 10.8.1 and below may allow a remote unauthenticated attacker to pass and store malicious strings in the ArcGIS Server Manager application.

Weakness: CWE-79

Which versions are affected by CVE-2021-29107?

It affects 1 product.

Products include Esri Arcgis Server.

How do I fix CVE-2021-29107?

No fix has been published for CVE-2021-29107 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-2021-29107 being exploited?

There is no known exploitation of CVE-2021-29107 in the wild and no public exploit code.

All Esri Arcgis Server vulnerabilities

Sources

Also known as GHSA-mrpc-fw56-g9jm.