BUG-000155004 HTML injection issue in Portal for ArcGIS.

published 2023-05-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29721

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 11.0 and below that may allow a remote, authenticated attacker to create a crafted link which when clicked could render arbitrary HTML in the victim’s browser (no stateful change made or customer data rendered).

Patch / fix

links 1

esri.com/arcgis-blog/products/trust-arcgis/administration/portal-fo… advisory

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/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-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
CWE-79 Improper Neutralization of Input During Web Page Generation

References

esri.com /arcgis-blog/products/trust-arcgis/administration/portal-for-arcgis-security-2023-update-1-patch-is-now-availa
patch, vendor-advisory
support.esri.com /en-us/patches-updates/2023/portal-for-arcgis-security-2023-update-1-patch-8095
release-notes

Sources

CVE List CVE-2023-25833
NVD CVE-2023-25833

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary