CVE-2025-55103: BUG-000177333 - ArcGIS Enterprise Sites has a stored Cross-site Scripting vulnerability.
Vulnerability summary
CVE-2025-55103 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in esri portal_for_arcgis. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.6% of scored vulnerabilities.
Timeline
- 21-08-2025PublishedVulnerability first disclosed.
- 09-09-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% on 26-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Esri2 products
- portal_for_arcgis10.9.1 | 11.1 | 11.2 | 11.4
- portal for arcgis enterprise sites≥ 10.9.1, ≤ 11.4
1 vendor · 2 products