CVEvulnerability
CVE-2021-39320
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-09-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• underconstruction project underconstruction (< 1.19)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://wpscan.com/vulnerability/49ae1df0-d6d2-4cbb-9a9d-bf3599429875 Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39320 Third Party Advisory
- https://wpscan.com/vulnerability/49ae1df0-d6d2-4cbb-9a9d-bf3599429875 Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39320 Third Party Advisory