Vulnerability Database

309,134

Total vulnerabilities in the database

CVE-2021-36551

TikiWiki v21.4 was discovered to contain a cross-site scripting (XSS) vulnerability in the component tiki-calendar.php. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload under the Add Event module.

  • Published: Oct 28, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-36551
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.4
  • AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2:

  • Severity: Low
  • Score: 3.5
  • AV:N/AC:M/Au:S/C:N/I:P/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
tiki / tikiwiki_cms/groupware 21.4 21.4.x