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Unrestricted Upload of File with Dangerous Type in MODX Revolution

High severity GitHub Reviewed Published Feb 27, 2022 to the GitHub Advisory Database • Updated Mar 27, 2023

Package

composer modx/revolution (Composer)

Affected versions

<= 2.8.3-pl

Patched versions

None

Description

MODX Revolution through 2.8.3-pl allows remote authenticated administrators to execute arbitrary code by uploading an executable file, because the Uploadable File Types setting can be changed by an administrator.

References

Published by the National Vulnerability Database Feb 26, 2022
Published to the GitHub Advisory Database Feb 27, 2022
Reviewed Mar 11, 2022
Last updated Mar 27, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS score

1.778%
(89th percentile)

Weaknesses

CVE ID

CVE-2022-26149

GHSA ID

GHSA-j8jp-9x42-4pj5

Source code

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