CVE-2021-40214

MEDIUM
Published Sep 13, 20214y ago · Modified Jun 17, 20262w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Sep 13, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

Gibbon v22.0.00 suffers from a stored XSS vulnerability within the wall messages component.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
gibbonedugibbon22.0.00any

References 3

  • gibbonedu.org https://gibbonedu.org/
    Product
  • github.com https://github.com/GibbonEdu/core/blob/v22.0.01/CHANGELOG.txt
    Third Party Advisory
  • github.com https://github.com/GibbonEdu/core/releases/download/v22.0.00/GibbonEduCore-InstallBundle.zip
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.