XSS in Netcore Nr255-V
CVE-2026-92257
Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in L7 content management pages that use eval() sinks, affecting the call board text and policy group handling components. Attackers can inject persistent script payloads through these pages to have malicious code executed in the context of other users viewing the affected content.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Netcore Nr255-V — versions 1.5.130703
Weakness classification (CWE)
References
- github.com/draw-ctf/netcore-router-public-refs/blob/main/2026.08.19-netcore-nr2… (third-party-advisory)
- www.vulncheck.com/advisories/netcore-nr255-v-1.5.130703-stored-cross-site-scrip… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-92257?
- CVE-2026-92257 is a medium-severity vulnerability in Netcore Nr255-V, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-09-15.
- How severe is CVE-2026-92257?
- Medium severity. CVSS v3 base score is 5.4 out of 10.