Vulnerability · Published Sep 13, 2026 · Assigned by VulDB
CVE-2026-90502stilleshan ServerStatus Stats Generation main.cpp cross site scripting
Low 3.5
In plain English
A low-severity cross-site scripting in ServerStatus from stilleshan. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Official description
A vulnerability was detected in stilleshan ServerStatus 1.0/2.0. Impacted is an unknown function of the file server/src/main.cpp of the component Stats Generation. Performing a manipulation of the argument custom results in cross site scripting. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| stilleshan | ServerStatus | 1.02.0 |
Weakness: CWE-79, CWE-94 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-403090 | stilleshan ServerStatus Stats Generation main.cpp cross site scripting vdb-entry, technical-description
- VDB-403090 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-90502 | CVE Analysis and Report third-party-advisory
- Submit #895248 | stilleshan ServerStatus <=2.0.0 Stored XSS Vulnerability third-party-advisory
- https://github.com/BlkSword/POC/blob/main/ServerStatus%20Stored%20.pdf exploit