Frontend Uploader <= 1.3.2 - Unauthenticated Stored Cross-Site Scripting

2021-09-21 00:00

Veshraj Ghimire

Strategic Overview

Status

Unpatched

Affected PluginFrontend Uploader

Affected Version<= 1.3.2

CVSS6.1Medium

CVECVE-2021-24563

View all Frontend Uploader vulnerabilities

Vulnerability Overview

The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24563 https://www.wordfence.com/threat-intel/vulnerabilities/id/770f3c25-effb-40ea-bd1c-7874c456ab0e

CVSS Vector

6.1

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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