RCE in Onsite Internet Gmbh Auktion Ng Auktionssoftware
CVE-2026-96258
A vulnerability has been found in onSite internet GmbH Auktion NG Auktionssoftware up to 20260722. This affects an unknown part of the file /forgotpasswd.html of the component Public Password Reset Endpoint. The manipulation of the argument email leads to cross site scripting. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (39.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002
Affected products
- Onsite Internet Gmbh Auktion Ng Auktionssoftware — versions 20260722
Weakness classification (CWE)
References
- vuldb.com/vuln/408708 (technical-description, vdb-entry)
- vuldb.com/vuln/408708/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-96258 (third-party-advisory)
- vuldb.com/submit/901875 (third-party-advisory)
- github.com/CSDVi/cve/issues/5 (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-96258?
- CVE-2026-96258 is a medium-severity vulnerability in Onsite Internet Gmbh Auktion Ng Auktionssoftware, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-09-23.
- How severe is CVE-2026-96258?
- Medium severity. CVSS v3 base score is 4.3 out of 10.