CVE-2025-55107 BUG-000177335 ArcGIS Enterprise Sites has a stored Cross-site Scripting vulnerability.
Authenticated attackers can inject malicious scripts into ArcGIS Enterprise Sites, potentially stealing tokens and gaining full portal control.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-55107?
CVE-2025-55107 is a medium-severity cross-site scripting vulnerability in Esri Portal for Arcgis, published on 21 Aug 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
There is a stored Cross-site Scripting vulnerability in Esri Portal for ArcGIS Enterprise Sites versions 10.9.1 – 11.4 that may allow a remote, authenticated attacker to inject malicious a file with an embedded xss script which when loaded could potentially execute arbitrary JavaScript code in the victim’s browser. The privileges required to execute this attack are high. The attack could disclose a privileged token which may result in the attacker gaining full control of the Portal.
Weakness: CWE-79
Which versions are affected by CVE-2025-55107?
It affects 1 product.
Products include Esri Portal for Arcgis.
How do I fix CVE-2025-55107?
No fix has been published for CVE-2025-55107 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-2025-55107 being exploited?
There is no known exploitation of CVE-2025-55107 in the wild and no public exploit code.
Other vulnerabilities in Esri Portal for Arcgis
Sources
Also known as GHSA-g83m-h8hx-qvjr.