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Vulnerability record · CVE-2026-126798 · published 11 November 2026

CVE-2026-126798: Cross-site scripting vulnerability

NextScan 1.1.0 through 1.2.0 contains a stored cross-site scripting vulnerability in the ns-admin URL asset detail dialog that renders crawled form request bodies (Asset_URL.data) via innerHTML without encoding. Attackers can host crafted forms on crawled sites to store JavaScript that executes when users view asset details, stealing localStorage access tokens to hijack sessions, including administrators.

2.1 CVSS 4.0 Low CWE-79 · Cross-site scripting Received
2.1CVSS 4.0 base score
-EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
11 Nov 2026Last modified by NVD

Description

NextScan 1.1.0 through 1.2.0 contains a stored cross-site scripting vulnerability in the ns-admin URL asset detail dialog that renders crawled form request bodies (Asset_URL.data) via innerHTML without encoding. Attackers can host crafted forms on crawled sites to store JavaScript that executes when users view asset details, stealing localStorage access tokens to hijack sessions, including administrators.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/tongcheng-security-team/NextScan/issues/49
https://hub.docker.com/r/lysec/ns-admin
https://vul.yulun.ac.cn/20261107/nextscan/
https://www.vulncheck.com/advisories/nextscan-1.1.0-through-1.2.0-stored-xss-via-url-asset-detail-view

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Source: NIST National Vulnerability Database (record CVE-2026-126798), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.