CVE-2026-69234— reflected cross site scripting 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 11.5及之前版本存在跨站脚本漏洞，该漏洞源于反射型跨站脚本，可能导致远程未认证攻击者创建特制链接，当受害者点击时在浏览器中执行任意JavaScript代码。
Possible ATT&CK Techniques 1 AI
T1059.007 · JavaScriptAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Esri | Portal for ArcGIS | 11.1≤ 11.5 |
affected |
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I. Basic Information for CVE-2026-69234
Vulnerability Information
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Vulnerability Title
reflected cross site scripting vulnerability in Esri Portal for ArcGIS
Source: CVE Program / CVE List V5
Vulnerability Description
There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 11.5 and prior which may allow a remote, unauthenticated attacker to create a crafted link which when clicked could potentially execute arbitrary JavaScript code in the victim’s browser. Users working with ArcGIS Enterprise 11.1, 11.3, and 11.5 are encouraged to patch. All users are advised to upgrade to the latest long-term support release. Users working with ArcGIS Web App Builder developer edition are advised to migrate to ArcGIS Experience Builder, as ArcGIS Web App Builder developer edition is unsupported when this CVE is assigned.
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
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 11.5及之前版本存在跨站脚本漏洞，该漏洞源于反射型跨站脚本，可能导致远程未认证攻击者创建特制链接，当受害者点击时在浏览器中执行任意JavaScript代码。
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 ~ 11.5 | - |
|
II. Public POCs for CVE-2026-69234
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-69234 (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-2026-69235 | 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
-
CVE-2026-69233
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69235
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69236
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69237
HTML injection vulnerability in Esri Portal for ArcGIS -
CVE-2026-69232
stored cross site scripting issue in Esri Portal for ArcGIS
Same vendor: Esri
-
CVE-2026-10758
Esri Lerc has a security vulnerability -
CVE-2026-69233
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69235
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69236
stored cross site scripting issue in Esri Portal for ArcGIS -
CVE-2026-69237
HTML injection vulnerability in Esri Portal for ArcGIS
Same weakness: CWE-79
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CVE-2026-107380
enshrined/svg-sanitize: Stored XSS via DTD Entity / HTML5 Na -
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Obsidian Desktop < 1.14.0 RCE via MathJax Safe Filter Bypass -
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Obsidian Desktop < 1.14.0 RCE via Slides Plugin Markdown -
CVE-2026-105831
EspoCRM before 10.0.6 Unauthenticated Stored HTML Injection
V. Comments for CVE-2026-69234
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