What is CVE-2018-1000826?

CVE-2018-1000826 is a medium-severity vulnerability in Microweber, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-12-20.

How severe is CVE-2018-1000826?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Microweber

CVE-2018-1000826

Microweber version <= 1.0.7 contains a Cross Site Scripting (XSS) vulnerability in Admin login form template that can result in Execution of JavaScript code.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Microweber

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/microweber/microweber/issues/489 (Exploit, Third Party Advisory)
0dd.zone/2018/10/28/microweber-XSS/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-1000826?: CVE-2018-1000826 is a medium-severity vulnerability in Microweber, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-12-20.
How severe is CVE-2018-1000826?: Medium severity. CVSS v3 base score is 6.1 out of 10.