CVE-2019-19902

HIGH
7.2
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
HIGH7.2
Exploit prediction
EPSS 1%

Description

An issue was discovered in Backdrop CMS 1.13.x before 1.13.5 and 1.14.x before 1.14.2. It allows the upload of entire-site configuration archives through the user interface or command line. It does not sufficiently check uploaded archives for invalid data, allowing non-configuration scripts to potentially be uploaded to the server. This issue is mitigated by the fact that the attacker would be required to have the "Synchronize, import, and export configuration" permission, a permission that only trusted administrators should be given. Other measures in the product prevent the execution of PHP scripts, so another server-side scripting language must be accessible on the server to execute code.

Affected

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

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:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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