What is CVE-2019-19903?

CVE-2019-19903 is a medium-severity vulnerability in Backdropcms Backdrop Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-12-19.

How severe is CVE-2019-19903?

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

XSS in Backdropcms Backdrop Cms

CVE-2019-19903

An issue was discovered in Backdrop CMS 1.14.x before 1.14.2. It doesn't sufficiently filter output when displaying file type descriptions created by administrators. An attacker could potentially craft a specialized description, then have an administrator execute scripting when viewing the list of file types, aka XSS. This vulnerability is mitigated by the fact that an attacker must have a role with the "Administer file types" permission.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.4th percentile) — read the EPSS interpretation.

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.

Affected products

Backdropcms Backdrop_cms
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2019-19903?: CVE-2019-19903 is a medium-severity vulnerability in Backdropcms Backdrop Cms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-12-19.
How severe is CVE-2019-19903?: Medium severity. CVSS v3 base score is 4.8 out of 10.