HTML injection vulnerability in Portal for ArcGIS

published 2022-08-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-40784

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

There is an HTML injection issue in Esri Portal for ArcGIS versions 10.9.0 and below which may allow a remote, authenticated attacker to inject HTML into some locations in the home application.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-10)

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

Esri Portal for ArcGIS

Classification

Weakness

CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
CWE-79 Improper Neutralization of Input During Web Page Generation

References

esri.com /arcgis-blog/products/arcgis-enterprise/administration/portal-for-arcgis-security-2022-update-1-patch/
vendor-advisory

Sources

CVE List CVE-2022-38191
NVD CVE-2022-38191

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Summary