CVE-2021-36551

MEDIUM 5.4CVE-2021-36551 · Published 28/10/2021 · updated 17/06/2026

In short

CVE-2021-36551 is a MEDIUM (CVSS 5.4) vulnerability affecting tikiwiki cms/groupware (tiki).
Chance of exploitation in the next 30 days (EPSS): 0.50%, higher than 43.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
tikiwiki cms/groupware tiki	`= 21.4`	No fix yet

Description

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.

References

r0ck3t1973/xss_payload · Exploit

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Package

Affected versions

Patched versions

tikiwiki cms/groupware

tiki

= 21.4

No fix yet

More vulnerabilities in tikiwiki cms/groupware

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