CVE-2021-35483

Stored script execution via unrestricted JavaScript upload

Published Mar 3, 2026 · Updated Mar 3, 2026

Stored cross-site scripting in Nokia IMPACT through 19.11.2.10-20210118042150283 allows remote authenticated users to execute JavaScript. The Applications web interface saves JavaScript supplied in the fileupload parameter at /ui/rest-proxy/application without validating its content, then serves it to visitors. Adding or editing an application requires authenticated access, and execution occurs only when an authenticated user visits the published page.

CVSS severity4.1
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Nokia IMPACT through 19.11.2.10-20210118042150283 allows remote authenticated users to execute JavaScript. The Applications web interface saves JavaScript supplied in the fileupload parameter at /ui/rest-proxy/application without validating its content, then serves it to visitors. Adding or editing an application requires authenticated access, and execution occurs only when an authenticated user visits the published page.

The record

CVE
CVE-2021-35483
Published
Mar 3, 2026
Updated
Mar 3, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 3, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 3, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.1CISA-ADPCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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