CVE-2026-90502

LOW 3.5

stilleshan ServerStatus Stats Generation main.cpp cross site scripting

CVSS Score

3.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79 CWE-94
Vendor	stilleshan
Product	serverstatus
Published	Sep 13, 2026
Last Updated	Sep 14, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

stilleshan / ServerStatus

1.0 2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403090 vuldb.com: https://vuldb.com/vuln/403090/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90502 vuldb.com: https://vuldb.com/submit/895248 github.com: https://github.com/BlkSword/POC/blob/main/ServerStatus%20Stored%20.pdf

Credits

🔍 XiaoHei (VulDB User) VulDB CNA Team