CVE-2026-33520

mediumpriority · track · 24EPSS 0.003 · 17 %ileDE
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.25% (17th) EPSS
CVSS 6.1 · medium
Is it mine?
2 products
Check your exposure
Who says so?
1 sources
cert_bund

EPSS · scored 2026-10-27

There is a reflected cross site scripting vulnerability in Esri Portal for ArcGIS versions 12.1 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. A patch is provided for impacted ArcGIS Server software in General Availability and Extended support status, which includes versions 11.5. Other versions are in mature or retired status, which are not patch eligible. Users working with unlisted versions are advised to upgrade and apply the patch.

01

cvss

Technical severity, 0–10. One row per scoring source.

6.1
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · psirt@esri.comexploitability 2.8 · impact 2.7
v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US
03

affected products (2)

Products and version ranges known to be affected.

04

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-3965ESRI ArcGIS: Mehrere SchwachstelleDeutsch2026-10-14csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in ESRI ArcGIS ausnutzen, um einen SQL-Injection oder Cross Site Scripting Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen und einen Denial of Service zu verursachen.

05

sources

Which sources assert this record, and when.

cert_bundNVDCVE.orgMITRE
published 2026-10-26modified 2026-10-26
06

references (1) nvd

External citations — patches, advisories, analysis.

scry

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