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Fencer Vulns
medium 6.1

CVE-2018-1000826 json

Microweber XSS Vulnerability

published 2018-12-20 7 y ago modified 2026-06-17 4 mo ago also GHSA-xmcr-x5x3-gjfx , EUVD-2022-5825

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist microweber/microweber 1.1

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/microweber/microweber/issues/489 referenced PoC, tagged "exploit" by a source, unverified
  • 0dd.zone https://0dd.zone/2018/10/28/microweber-XSS/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist microweber/microweber
<1.1
1.1

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.