CVE-2021-3012

MEDIUM 5.4CVE-2021-3012 · Published 08/04/2021 · updated 17/06/2026

In short

CVE-2021-3012 is a MEDIUM (CVSS 5.4) vulnerability affecting arcgis enterprise (esri).
Chance of exploitation in the next 30 days (EPSS): 0.69%, higher than 52.6% of all vulnerabilities.
Fix: update to 10.9 or later.

Package	Affected versions	Patched versions
arcgis enterprise esri	`< 10.9`	`10.9`

Description

A cross-site scripting (XSS) vulnerability in the Document Link of documents in ESRI Enterprise before 10.9 allows remote authenticated users to inject arbitrary JavaScript code via a malicious HTML attribute such as onerror (in the URL field of the Parameters tab).

References

blog.bssi.fr/cve-2021-3012-vulnerability-allowing-remote-html-javascript-code-injection-on-esri-arcgis-products · Exploit

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Package

Affected versions

Patched versions

arcgis enterprise

esri

< 10.9

10.9

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