XSS in Tiki

CVE-2020-16131

Tiki before 21.2 allows XSS because [\s\/"\'] is not properly considered in lib/core/TikiFilter/PreventXss.php.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Tiki
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-16131?: CVE-2020-16131 is a medium-severity vulnerability in Tiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-08-03.
How severe is CVE-2020-16131?: Medium severity. CVSS v3 base score is 6.1 out of 10.