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TI-2021-10002 Aliases CVE-2021-29116GHSA-g47m-f7f9-9p9x

BUG-000142180 Hosted feature services vulnerable to stored XSS

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A stored Cross Site Scripting (XSS) vulnerability in Esri ArcGIS Server feature services versions 10.8.1 and 10.9 (only) feature services may allow a remote, unauthenticated attacker to pass and store malicious strings via crafted queries which when accessed could potentially execute arbitrary JavaScript code in the user’s browser.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0081 57th percentileScored 2026-11-07
Fix Fixed ArcGIS Server (Esri): 10.9.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EsriArcGIS Server10.8.1 to before 10.9.010.9.0Patch availableCNA
  • ArcGIS Server VendorEsri Affected 10.8.1 to before 10.9.0 Fixed in 10.9.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:esri:arcgis_server:10.8.1:*:*:*:*:*:*:*10.8.1VulnerableEsri
cpe:2.3:a:esri:arcgis_server:10.9.0:*:*:*:*:*:*:*10.9.0VulnerableEsri
  • cpe:2.3:a:esri:arcgis_server:10.8.1:*:*:*:*:*:*:* Versions 10.8.1 Vulnerable ·Esri
  • cpe:2.3:a:esri:arcgis_server:10.9.0:*:*:*:*:*:*:* Versions 10.9.0 Vulnerable ·Esri

Remediation

  • Fix · CNA ArcGIS Server (Esri) Fixed in 10.9.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Esri ArcGIS Server 10.9.0

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2021-10000 SQL injection vulnerability in ArcGIS ServerPriority MEDIUM 50

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-29116
  2. 2026-10-03 Alias added: GHSA-g47m-f7f9-9p9x

References

  • TI-2026-08070 Directory Traversal in ArcGIS Server CVSS 3.1CRITICAL 9.8
  • TI-2025-35724 BUG-000179884 - There is a security vulnerability in ArcGIS Server Feature Services. CVSS 3.1CRITICAL 10.0
  • TI-2021-10000 SQL injection vulnerability in ArcGIS Server CVSS 3.1CRITICAL 9.8
  • TI-2021-09989 There is a Server-Side Request Forgery (SSRF) vulnerability in Esri ArcGIS Server Manager version 10.8.1 and below. CVSS 3.1CRITICAL 9.1
  • TI-2026-08071 Unvalidated File Upload vulnerability in ArcGIS Server. CVSS 3.1CRITICAL 9.8
  • TI-2020-18172 Esri ArcGIS Server before 10.8 is vulnerable to SSRF in some configurations. CVSS 3.1CRITICAL 9.8
See all 68 →

Sources