What is CVE-2019-14221?

CVE-2019-14221 is a medium-severity vulnerability in 1crm On-Premise, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-08.

How severe is CVE-2019-14221?

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

Is CVE-2019-14221 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in 1crm On-Premise

CVE-2019-14221

1CRM On-Premise Software 8.5.7 allows XSS via a payload that is mishandled during a Run Report operation.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-08-08 · 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: 0.017 (77.2th percentile), scored 2026-10-26.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

1crm On-Premise

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

cccaaasser/1CRM-CVE

References

github.com/cccaaasser/1CRM-CVE/blob/master/CVE-2019-14221.md (Exploit, Third Party Advisory)
www.exploit-db.com/exploits/47206 (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2019-14221?: CVE-2019-14221 is a medium-severity vulnerability in 1crm On-Premise, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-08-08.
How severe is CVE-2019-14221?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2019-14221 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.