What is the CVSS score of CVE-2025-70458?

CVE-2025-70458 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Domain Availability Checker are affected by CVE-2025-70458?

CVE-2025-70458 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

Is there a public PoC exploit available for CVE-2025-70458?

Yes, a public proof-of-concept exploit is available for CVE-2025-70458. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-70458?

Within 30 days: Identify affected systems running the DomainCheckerApp class within domain/script.js of Source and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Domain Availability Checker CVE-2025-70458

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-01-23 cve@mitre.org

XSS Domain Availability Checker

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 30, 2026 - 17:59 vuln.today

Public exploit code

CVE Published

Jan 23, 2026 - 22:16 nvd

MEDIUM 5.4

DescriptionCVE.org

A DOM-based Cross-Site Scripting (XSS) vulnerability exists in the DomainCheckerApp class within domain/script.js of Sourcecodester Domain Availability Checker v1.0. The vulnerability occurs because the application improperly handles user-supplied data in the createResultElement method by using the unsafe innerHTML property to render domain search results.

AnalysisAI

A DOM-based Cross-Site Scripting (XSS) vulnerability exists in the DomainCheckerApp class within domain/script.js of Sourcecodester Domain Availability Checker v1.0. [CVSS 5.4 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Domain Availability Checker. A DOM-based Cross-Site Scripting (XSS) vulnerability exists in the DomainCheckerApp class within domain/script.js of Sourcecodester Domain Availability Checker v1.0. The vulnerability occurs because the application improperly handles user-supplied data in the createResultElement method by using the unsafe innerHTML property to render domain search results.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

CVE-2025-70458 vulnerability details – vuln.today

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