underConstruction <= 1.20 - Authenticated (Admin+) Stored Cross-Site Scripting

2022-05-26 00:00

Asif Nawaz Minhas

Strategic Overview

Status

Patched in 1.21

Affected PluginunderConstruction

Affected Version< 1.21

CVSS5.5Medium

CVECVE-2022-1896

View all underConstruction vulnerabilities

Vulnerability Overview

The underConstruction WordPress plugin before 1.21 does not sanitise or escape the "Display a custom page using your own HTML" setting before outputting it, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiletred_html capability is disallowed.

Technical Analysis

REMEDIATION: Update to version 1.21, 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-2022-1896 https://www.wordfence.com/threat-intel/vulnerabilities/id/045717f4-0e31-41f8-b0c3-8118c768b648

CVSS Vector

5.5

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

Base

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

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