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CVE-2026-69232· NVD / CVE Program· CNA Esri

stored cross site scripting issue in Esri Portal for ArcGIS

There is a stored cross site scripting issue in Esri Portal for ArcGIS versions 11.5 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 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.

MediumCVSS 5.5 · v3.1—No exploit No fix recorded
Published
Aug 21, 2026
Updated
Sep 11, 2026
EPSS
0.3% · 23th percentile
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Report tools

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Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Esri
5.5
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
esriportal for arcgis

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • esri portal for arcgisbefore 11.1
  • esri portal for arcgis11.1
  • esri portal for arcgis11.2
  • esri portal for arcgis11.3
  • esri portal for arcgis11.4
  • esri portal for arcgis11.5

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Esri). Independent of NVD's CPE analysis and usually ahead of it.

  • Esri Portal for ArcGIS

    • 11.1 and later · up to and including 11.5affected

Same product

esri: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-13019Missing Authentication
    39Monitor
  • CVE-2026-13020Weak Password Recovery Mechanism in Portal for ArcGIS
    39Monitor
  • CVE-2026-33519Incorrect privilege assignment in Portal for ArcGIS
    39Monitor
  • CVE-2025-2538A hardcoded credential vulnerability exists in a specific deployment pattern for Esri Portal for ArcGIS versions 11.4 and below that may all
    39Monitor
  • CVE-2024-25693Portal for ArcGIS has a directory traversal vulnerability.
    39Monitor
  • CVE-2022-38193Code injection issue in Portal for ArcGIS (10.7.1 and 10.8.1)
    38Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-692360 days apartstored cross site scripting issue in Esri Portal for ArcGIS
    24Monitor
  • CVE-2026-692340 days apartreflected cross site scripting vulnerability in Esri Portal for ArcGIS
    24Monitor
  • CVE-2026-692350 days apartstored cross site scripting issue in Esri Portal for ArcGIS
    24Monitor
  • CVE-2026-692310 days apartstored cross site scripting issue in Esri Portal for ArcGIS
    22Monitor
  • CVE-2026-692330 days apartstored cross site scripting issue in Esri Portal for ArcGIS
    22Monitor
  • CVE-2026-692290 days apartHTML injection vulnerability in Esri Portal for ArcGIS
    21Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

  • CVE-2026-1301945 days apartMissing Authentication
    39Monitor
  • CVE-2026-692280 days apartmissing authentication vulnerability in Esri Portal for ArcGIS
    21Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

nvd-secondary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records