PT-2021-21288 · Tikiwiki · Tikiwiki

R0Ck3T1973 · Published 2021-10-28 · Updated 2021-11-02 · CVE-2021-36551

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions TikiWiki version 21.4

Description The issue allows attackers to execute arbitrary web scripts or HTML via a crafted payload under the Add Event module in the tiki-calendar.php component. This is a cross-site scripting (XSS) issue.

Recommendations For TikiWiki version 21.4, consider disabling the Add Event module in the tiki-calendar.php component until a patch is available. Restrict access to the tiki-calendar.php component to minimize the risk of exploitation. Avoid using the Add Event module until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-36551

Affected Products

Tikiwiki

References · 4

• 🔥 https://github.com/r0ck3t1973/xss_payload/issues/7 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-36551 · Security Note
• https://osv.dev/vulnerability/CVE-2021-36551 · Vendor Advisory
• https://t.me/cibsecurity/31435 · Telegram Post