CVE-2025-70458Public exploitNetwork attack vector

Browser script execution via unsanitized innerHTML rendering

Published Jan 23, 2026 · Updated Jan 23, 2026

DOM-based XSS in Sourcecodester Domain Availability Checker 1.0 allows remote attackers to execute JavaScript in a victim's browser. DomainCheckerApp.createResultElement inserts the user-controlled result.domain value into domain/script.js output through innerHTML without encoding or sanitization. Exploitation requires user interaction with a crafted domain value; successful code runs in the page context and can read session data or perform actions as the victim.

CVSS severity5.4
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

DOM-based XSS in Sourcecodester Domain Availability Checker 1.0 allows remote attackers to execute JavaScript in a victim's browser. DomainCheckerApp.createResultElement inserts the user-controlled result.domain value into domain/script.js output through innerHTML without encoding or sanitization. Exploitation requires user interaction with a crafted domain value; successful code runs in the page context and can read session data or perform actions as the victim.

The record

CVE
CVE-2025-70458
Published
Jan 23, 2026
Updated
Jan 23, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 23, 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 vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

Public exploit references

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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