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CVE-2026-69229— HTML injection vulnerability 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是美国Esri公司的一个提供地理空间数据管理与共享的企业云平台。 Esri Portal for ArcGIS 12.0及之前版本存在跨站脚本漏洞，该漏洞源于HTML注入，可能允许远程认证攻击者在Portal for ArcGIS Home application中插入任意HTML。

CVSS 5.4 · Medium EPSS 0.27% · P18

Affected Version Matrix 1

VendorProduct Version RangeStatus
Esri Portal for ArcGIS 11.1≤ 12.0 affected
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I. Basic Information for CVE-2026-69229

Vulnerability Information
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Vulnerability Title
HTML injection vulnerability in Esri Portal for ArcGIS
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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
Vulnerability Title
Esri Portal for ArcGIS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Esri Portal for ArcGIS是美国Esri公司的一个提供地理空间数据管理与共享的企业云平台。 Esri Portal for ArcGIS 12.0及之前版本存在跨站脚本漏洞，该漏洞源于HTML注入，可能允许远程认证攻击者在Portal for ArcGIS Home application中插入任意HTML。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Esri Portal for ArcGIS 11.1 ~ 12.0 -

II. Public POCs for CVE-2026-69229

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III. Intelligence Information for CVE-2026-69229

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Vendor Advisories for CVE-2026-69229 (1)

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

CVE-2026-69236 6.1 MEDIUM stored cross site scripting issue in Esri Portal for ArcGIS
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-2026-69228 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-2026-69229

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