XSS in Flatcore

CVE-2020-17451

flatCore before 1.5.7 allows XSS by an admin via the acp/acp.php?tn=pages&sub=edit&editpage=1 page_linkname, page_title, page_content, or page_extracontent parameter, or the acp/acp.php?tn=system&sub=sys_pref prefs_pagename, prefs_pagetitle, or prefs_pagesubtitle parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-17451?
CVE-2020-17451 is a medium-severity vulnerability in Flatcore, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-08-09.
How severe is CVE-2020-17451?
Medium severity. CVSS v3 base score is 4.8 out of 10.