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CVE-2019-19903

MEDIUM
4.8
CVSS Score
Published: December 19, 2019 at 05:03 AM UTC
Updated: June 17, 2026 at 02:27 AM UTC
1 product affected across 1 vendorBackdropcms

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Backdropcms· Backdropcms
95%
1.13.0 ≤ v < 1.13.51.14.0 ≤ v < 1.14.2
Affected range stops below 1.13.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.14.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://backdropcms.org/security/backdrop-sa-core-2019-015

CVSS

4.8MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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