What is CVE-2017-17889?

CVE-2017-17889 is a medium-severity vulnerability in Kliqqi Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-04-22.

How severe is CVE-2017-17889?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Kliqqi Cms

CVE-2017-17889

Kliqqi CMS 3.5.2 has XSS via a crafted group name in pligg/groups.php, a crafted Homepage string in a profile, or a crafted string in Tags or Description within pligg/submit.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-04-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Kliqqi Cms — versions 3.5.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

edricteo.com/kliqqi-cms-xss-vulnerability-in-version-3.5.2/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-17889?: CVE-2017-17889 is a medium-severity vulnerability in Kliqqi Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-04-22.
How severe is CVE-2017-17889?: Medium severity. CVSS v3 base score is 5.4 out of 10.