Vulnerability Description
The underConstruction plugin <= 1.18 for WordPress echoes out the raw value of `$GLOBALS['PHP_SELF']` in the ucOptions.php file. On certain configurations including Apache+modPHP, this makes it possible to use it to perform a reflected Cross-Site Scripting attack by injecting malicious code in the request path.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Underconstruction Project | Underconstruction | < 1.19 |
Related Weaknesses (CWE)
References
- https://wpscan.com/vulnerability/49ae1df0-d6d2-4cbb-9a9d-bf3599429875Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39320Third Party Advisory
- https://wpscan.com/vulnerability/49ae1df0-d6d2-4cbb-9a9d-bf3599429875Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39320Third Party Advisory
FAQ
What is CVE-2021-39320?
CVE-2021-39320 is a vulnerability with a CVSS score of 6.1 (MEDIUM). The underConstruction plugin <= 1.18 for WordPress echoes out the raw value of `$GLOBALS['PHP_SELF']` in the ucOptions.php file. On certain configurations including Apache+modPHP, this makes it possib...
How severe is CVE-2021-39320?
CVE-2021-39320 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39320?
Check the references section above for vendor advisories and patch information. Affected products include: Underconstruction Project Underconstruction.