Under Construction <= 3.85 - Authenticated Stored Cross-Site Scripting

2021-01-20 00:00

Julien (atmon3r)

Strategic Overview

Status

Patched in 3.86

Affected PluginUnder Construction

Affected Version<= 3.85

CVSS5.5Medium

CVEN/A

View all Under Construction vulnerabilities

Vulnerability Overview

The Under Construction plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 3.85, that make it possible for attackers with administrative privileges to inject arbitrary web scripts via the social and connect icon fields.

Technical Analysis

REMEDIATION: Update to version 3.86, 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.wordfence.com/threat-intel/vulnerabilities/id/d5df75f8-1250-4b79-a796-9146d3037bec

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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