CVE-2026-69229CWE-79cross-site-scripting

CVE-2026-69229

Medium · published August 22, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
18.9
In the wild
Unconfirmed
What it is

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5 and 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00275 · 18.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-22T01:17Z
Affected products (21)
ProductVersionsFixed in
esri/portal_for_arcgis< 11.111.1
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References (1)
https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin · [email protected]
EPSS history
Timeline
  • 21 AUG 20:48Z
    HTML injection vulnerability in Esri Portal for ArcGIS
    cvelistv5