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CVE-2026-69236— stored cross site scripting issue in Esri Portal for ArcGIS

Quick assessment

Affected
Esri Portal for ArcGIS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Esri Portal for ArcGIS 12.1 及更早版本中存在一个存储型跨站脚本（Stored Cross-Site Scripting, XSS）漏洞，可能导致具有特权权限的远程攻击者注入恶意代码，从而在受害者的浏览器中执行任意 JavaScript 代码。建议使用 ArcGIS Enterprise 11.1、11.3、11.5、12.0 或 12.1 版本的用户尽快打补丁。所有用户均被建议升级到最新的长期支持（LTS）版本并应用相应补丁。

CVSS 6.1 · Medium EPSS 0.18% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
Esri Portal for ArcGIS 11.1≤ 12.1 affected
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I. Basic Information for CVE-2026-69236

Vulnerability Information
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Vulnerability Title
stored cross site scripting issue in Esri Portal for ArcGIS
Source: CVE Program / CVE List V5
Vulnerability Description
There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 12.1 and prior that may allow a remote, privileged attacker to inject malicious code that could potentially execute arbitrary JavaScript in a victim’s browser. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5, 12.0 or 12.1 are encouraged to patch. All users are advised to upgrade to the latest long-term support release and apply the patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Esri Portal for ArcGIS 11.1 ~ 12.1 -

II. Public POCs for CVE-2026-69236

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III. Intelligence Information for CVE-2026-69236

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Vendor Advisories for CVE-2026-69236 (1)

Same Patch Batch · Esri · 2026-08-21 · 13 CVEs total

CVE-2026-69234 6.1 MEDIUM reflected cross site scripting vulnerability in Esri Portal for ArcGIS
CVE-2026-69235 6.1 MEDIUM stored cross site scripting issue in Esri Portal for ArcGIS
CVE-2026-69224 5.9 MEDIUM information disclosure vulnerability in Esri Portal for ArcGIS
CVE-2026-69225 5.9 MEDIUM information disclosure vulnerability in Esri Portal for ArcGIS
CVE-2026-69230 5.5 MEDIUM stored cross site scripting issue in Esri Portal for ArcGIS
CVE-2026-69231 5.5 MEDIUM stored cross site scripting issue in Esri Portal for ArcGIS
CVE-2026-69232 5.5 MEDIUM stored cross site scripting issue in Esri Portal for ArcGIS
CVE-2026-69233 5.5 MEDIUM stored cross site scripting issue in Esri Portal for ArcGIS
CVE-2026-69229 5.4 MEDIUM HTML injection vulnerability in Esri Portal for ArcGIS
CVE-2026-69228 5.3 MEDIUM missing authentication vulnerability in Esri Portal for ArcGIS
CVE-2026-69237 3.8 LOW HTML injection vulnerability in Esri Portal for ArcGIS
CVE-2026-69238 3.5 LOW HTML injection vulnerability in Esri Portal for ArcGIS

IV. Related Vulnerabilities

Same product: Portal for ArcGIS
Same vendor: Esri
Same weakness: CWE-79

V. Comments for CVE-2026-69236

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