What is CVE-2019-16664?

CVE-2019-16664 is a medium-severity vulnerability in Thinksaas, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-09-21.

How severe is CVE-2019-16664?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Thinksaas

CVE-2019-16664

An issue was discovered in ThinkSAAS 2.91. There is XSS via the index.php?app=group&ac=create&ts=do groupname parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-09-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Thinksaas — versions 2.91

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/thinksaas/ThinkSAAS/issues/20 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2019-16664?: CVE-2019-16664 is a medium-severity vulnerability in Thinksaas, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-09-21.
How severe is CVE-2019-16664?: Medium severity. CVSS v3 base score is 4.8 out of 10.