CVE-2023-48003

MEDIUMNVD 6.16.1—

6.1

An open redirect through HTML injection in user messages in Asp.Net Zero before 12.3.0 allows remote attackers to redirect targeted victims to any URL via the '

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 31.9%
KEV: Not listed

Published

December 26, 2023

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://docs.unsafe-inline.com/0day/asp.net-zero-v12.3.0-html-injection-leads-to-open-redirect-via-websockets-cve-2023-48003
cve@mitrehttps://github.com/passtheticket/vulnerability-research/blob/main/aspnetzero_html_injection_via_websockets_messages.md
af854a3a-2127-422b-91ae-364da2661108https://docs.unsafe-inline.com/0day/asp.net-zero-v12.3.0-html-injection-leads-to-open-redirect-via-websockets-cve-2023-48003
af854a3a-2127-422b-91ae-364da2661108https://github.com/passtheticket/vulnerability-research/blob/main/aspnetzero_html_injection_via_websockets_messages.md

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-601URL Redirection to Untrusted Site (Open Redirect)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-48003?

CVE-2023-48003 is a medium vulnerability published on December 26, 2023. An open redirect through HTML injection in user messages in Asp.Net Zero before 12.3.0 allows remote attackers to redirect targeted victims to any URL via the '<meta http-equiv="refresh"' in the WebSocket messages.

When was CVE-2023-48003 disclosed?

CVE-2023-48003 was first published in the National Vulnerability Database on December 26, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-48003 actively exploited?

CVE-2023-48003 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-48003?

CVE-2023-48003 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2023-48003?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-48003, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-48003

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-48003?

🔗 Related CVEs(same CWE)

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Published

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References (4)

Frequently asked(5)

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