CMS Made Simple (CMSMS) 2.2.11 allows XSS via the Site Admin > Module Manager > Search Term field.

published 2019-10-06 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7644

cvss: 4.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

Exploit prediction

0.58% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

dev.cmsmadesimple.org http://dev.cmsmadesimple.org/bug/view/12148 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

dev.cmsmadesimple.org /bug/view/12148
exploit, issue-tracking, vendor-advisory

Sources

CVE List CVE-2019-17226
NVD CVE-2019-17226

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary