Maintenance <= 4.02 - Authenticated Stored Cross-Site Scripting

2021-07-21 00:00

Emil Kylander

Strategic Overview

Status

Patched in 4.03

Affected PluginMaintenance

Affected Version< 4.03

CVSS4.8Medium

CVECVE-2021-24533

View all Maintenance vulnerabilities

Vulnerability Overview

The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend

Technical Analysis

REMEDIATION: Update to version 4.03, 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-2021-24533 https://www.wordfence.com/threat-intel/vulnerabilities/id/c0dfa035-78fe-426f-a018-7bb2f22f0dd7

CVSS Vector

4.8

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

Base

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

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