CVE-2021-23838

CVSS V2 Low 3.5 CVSS V3 Medium 4.8
Description
An issue was discovered in flatCore before 2.0.0 build 139. A reflected XSS vulnerability was identified in the media_filter HTTP request body parameter for the acp interface. The affected parameter accepts malicious client-side script without proper input sanitization. For example, a malicious user can leverage this vulnerability to steal cookies from a victim user and perform a session-hijacking attack, which may then lead to unauthorized access to the site.
Overview
  • CVE ID
  • CVE-2021-23838
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-01-15T07:15:14
  • Last Modified Date
  • 2021-01-22T17:34:08
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:flatcore:flatcore:*:*:*:*:*:*:*:* 1 OR 2.0.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 4.8
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.7
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
http://packetstormsecurity.com/files/160936/flatCore-CMS-XSS-File-Disclosure-SQL-Injection.html Exploit Third Party Advisory VDB Entry
https://github.com/flatCore/flatCore-CMS Product Third Party Advisory
https://sec-consult.com/vulnerability-lab/ Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 07:26:31 Added to TrackCVE
2022-12-05 20:14:43 2021-01-15T07:15Z 2021-01-15T07:15:14 CVE Published Date updated
2022-12-05 20:14:43 2021-01-22T17:34:08 CVE Modified Date updated
2022-12-05 20:14:43 Analyzed Vulnerability Status updated