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Vulnerability · Published Sep 23, 2026 · Assigned by VulDB

CVE-2026-96258onSite internet GmbH Auktion NG Auktionssoftware Public Password Reset Endpoint forgotpasswd.html cross site scripting

Medium 4.3

In plain English

A medium-severity cross-site scripting in Auktion NG Auktionssoftware from onSite internet GmbH. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.4%top 60.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
onSite internet GmbH Auktion NG Auktionssoftware 20260722

Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References