CVE-2022-39035Network attack vector

Stored XSS via unfiltered favorites POST parameter

Published Sep 28, 2022 · Updated May 21, 2025

Stored cross-site scripting in Smart eVision 2022.02.21 allows remote attackers to inject JavaScript through an unauthenticated POST request. The favorites function fails to filter special characters in a POST data parameter before storing the value for later page rendering. No login is required to plant the payload, but a user must load the stored content for the script to run in that user's browser context.

CVSS severity6.1
Medium
EPSS probability0.55%
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 Smart eVision 2022.02.21 allows remote attackers to inject JavaScript through an unauthenticated POST request. The favorites function fails to filter special characters in a POST data parameter before storing the value for later page rendering. No login is required to plant the payload, but a user must load the stored content for the script to run in that user's browser context.

The record

CVE
CVE-2022-39035
Published
Sep 28, 2022
Updated
May 21, 2025
Vendor
Smart eVision Information Technology Inc.
Product
Smart eVision
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 28, 2022CVE publishedPublication date reported by the CVE source.
  2. May 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2022.02.21

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Smart eVision Information Technology Inc. · Smart eVisionversion=2022.02.21

Published CVSS scores

6.1TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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.

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No observations available

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

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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