CVE-2021-39320

MEDIUM NUCLEI

Underconstruction < 1.19 - XSS

Title source: rule

Description

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.

Nuclei Templates (1)

WordPress Under Construction <1.19 - Cross-Site Scripting
MEDIUMVERIFIEDby dhiyaneshDK

Scores

CVSS v3 6.1
EPSS 0.1966
EPSS Percentile 95.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
underconstruction_project/underconstruction < 1.19
Published Sep 01, 2021
Tracked Since Feb 18, 2026