CVE-2021-36550

5.4 mediumEPSS 0.5%

Medium (5.4) in tiki tikiwiki cms\/groupware. EPSS 0.5% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-10-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tiki:tikiwiki_cms\/groupware

References

https://github.com/r0ck3t1973/xss_payload/issues/6
https://github.com/r0ck3t1973/xss_payload/issues/6

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