XSS in Esri Portal For Arcgis
CVE-2025-57871
There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS 11.4 and below that may allow a remote authenticated attacker with administrative access to supply a crafted string which would execute arbitrary JavaScript code in the browser.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (11.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Esri Portal For Arcgis — versions 10.9.1
- Esri Portal For Arcgis — versions 10.9.1, 11.0, 11.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.esri.com/arcgis-blog/products/trust-arcgis/administration/portal-for-arcgis… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-57871?
- CVE-2025-57871 is a medium-severity vulnerability in Esri Portal For Arcgis, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-09-29.
- How severe is CVE-2025-57871?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2025-57871 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.