underConstruction <= 1.18 - Reflected Cross-Site Scripting

2021-08-31 00:00

Ram

Strategic Overview

Status

Patched in 1.19

Affected PluginunderConstruction

Affected Version<= 1.18

CVSS6.1Medium

CVECVE-2021-39320

View all underConstruction vulnerabilities

Vulnerability Overview

The underConstruction plugin <= 1.18 for WordPress echoes out the raw value of `$GLOBALS['PHP_SELF']` in the ucOptions.php file. On certain configurations including Apache+modPHP, this makes it possible to use it to perform a reflected Cross-Site Scripting attack by injecting malicious code in the request path.

Technical Analysis

REMEDIATION: Update to version 1.19, 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-2021-39320 https://www.wordfence.com/threat-intel/vulnerabilities/id/059e5358-6a29-4cae-96b4-23897797b367

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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