WordPress File Upload <= 4.16.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Malicious SVG

2022-02-14 00:00

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Strategic Overview

Status

Patched in 4.16.3

Affected PluginIptanus File Upload

Affected Version< 4.16.3

CVSS5.4Medium

CVECVE-2021-24960

View all Iptanus File Upload vulnerabilities

Vulnerability Overview

The WordPress File Upload WordPress plugin before 4.16.3, wordpress-file-upload-pro WordPress plugin before 4.16.3 allows users with a role as low as Contributor to configure the upload form in a way that allows uploading of SVG files, which could be then be used for Cross-Site Scripting attacks

Technical Analysis

REMEDIATION: Update to version 4.16.3, or a newer patched version --- 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-2021-24960 https://www.wordfence.com/threat-intel/vulnerabilities/id/19e9a9f7-d2e3-4ebb-b121-99c7c81ede4f

CVSS Vector

5.4

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

Base

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

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