CVE-2021-39320

underConstruction <= 1.18 - Reflected Cross-Site Scripting

Published Sep 1, 2021 CVSS 3.1 · 6.1 Medium EPSS 2.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
May 5, 2025, 2:50 PM
Reserved
Aug 20, 2021, 12:00 AM
Status
Modified
Published
Sep 1, 2021, 3:15 PM
Modified
Jun 17, 2026, 4:03 AM