XSS in Monstra

CVE-2018-10121

plugins/box/pages/pages.admin.php in Monstra CMS 3.0.4 has a stored XSS vulnerability when an attacker has access to the editor role, and enters the payload in the title section of an admin/index.php?id=pages&action=edit_page&name=error404 (aka Edit 404 page) action.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Monstra — versions 3.0.4
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-10121?
CVE-2018-10121 is a medium-severity vulnerability in Monstra, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-04-16.
How severe is CVE-2018-10121?
Medium severity. CVSS v3 base score is 4.8 out of 10.