Theme Editor <= 2.5 - Authenticated Arbitrary File Download

2021-02-13 00:00

Nguyen Van Khanh

Strategic Overview

Status

Patched in 2.6

Affected PluginTheme Editor

Affected Version<= 2.5

CVSS4.9Medium

CVECVE-2021-24154

View all Theme Editor vulnerabilities

Vulnerability Overview

The Theme Editor WordPress plugin before 2.6 did not validate the GET file parameter before passing it to the download_file() function, allowing administrators to download arbitrary files on the web server, such as /etc/passwd

Technical Analysis

REMEDIATION: Update to version 2.6, or a newer patched version --- IDENTIFIER: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24154 https://www.wordfence.com/threat-intel/vulnerabilities/id/d81b2927-f855-48f2-b7ae-f1411bee0040

CVSS Vector

4.9

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

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