XSS in Esri Portal For Arcgis
CVE-2025-55104
A stored cross-site scripting (XSS) vulnerability exists ArcGIS HUB and ArcGIS Enterprise Sites which allows an authenticated user with the ability to create or edit a site to add and store an XSS payload. If this stored XSS payload is triggered by any user attacker supplied JavaScript may execute in the victim's browser.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (8.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Esri Portal_for_arcgis
- Esri Portal For Arcgis Enterprise Sites — versions 10.9.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@esri.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55104?
- CVE-2025-55104 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-08-21.
- How severe is CVE-2025-55104?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2025-55104 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.