Open Redirect in Aspnetzero Asp.net Zero
CVE-2023-48003
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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/passtheticket/vulnerability-research/blob/main/aspnetzero_html_injec… (Exploit, Third Party Advisory)
- docs.unsafe-inline.com/0day/asp.net-zero-v12.3.0-html-injection-leads-to-open-r… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-48003?
- CVE-2023-48003 is a medium-severity vulnerability in Aspnetzero Asp.net Zero, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2023-12-26.
- How severe is CVE-2023-48003?
- Medium severity. CVSS v3 base score is 6.1 out of 10.