CVE-2026-90502CWE-79CWE-94cross-site-scriptingcode-injection

CVE-2026-90502

Low · published September 13, 2026

CVSS v3.1
3.5
EPSS
0%
Percentile
25.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
3.5 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CVSS v4.0
5.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00331 · 25.0th percentile
Weaknesses
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'); CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-09-13T13:16Z
References (5)
https://github.com/BlkSword/POC/blob/main/ServerStatus%20Stored%20.pdf · [email protected]https://vuldb.com/cve/CVE-2026-90502 · [email protected]https://vuldb.com/submit/895248 · [email protected]https://vuldb.com/vuln/403090 · [email protected]https://vuldb.com/vuln/403090/cti · [email protected]
EPSS history
Timeline
  • 15 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 13 SEP 08:15Z
    stilleshan ServerStatus Stats Generation main.cpp cross site scripting
    cvelistv5