What is CVE-2018-18880?

CVE-2018-18880 is a medium-severity vulnerability in Columbiaweather Weather Microserver, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-06-18.

How severe is CVE-2018-18880?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Columbiaweather Weather Microserver

CVE-2018-18880

In firmware version MS_2.6.9900 of Columbia Weather MicroServer, a networkdiags.php reflected Cross-site scripting (XSS) vulnerability allows remote authenticated users to inject arbitrary web script.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-06-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.3th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000

Affected products

Columbiaweather Weather Microserver
Columbiaweather Weather Microserver Firmware — versions ms_2.6.9900

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

applied-risk.com/labs/advisories (Third Party Advisory)
ics-cert.us-cert.gov/advisories/ICSA-19-078-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18880?: CVE-2018-18880 is a medium-severity vulnerability in Columbiaweather Weather Microserver, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-06-18.
How severe is CVE-2018-18880?: Medium severity. CVSS v3 base score is 5.4 out of 10.