CVE-2021-39320

Medium

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.

SeverityMedium
CVSS6.1
Exploit probability—
ProductUnderconstruction
PublishedSep 1, 2021
First seenSep 1, 2021

How to fix

Update
  • underconstruction_project underconstruction1.19 or later

Affected products

ProductAffected versionsFixed in
underconstruction_project underconstructionv < 1.191.19

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CVE-2021-39320 · Underconstruction · Dark Radar