VulnerabilityModified
CVE-2021-39320
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.
MEDIUM 6.1EPSS 2.32%
Does this matter?
Lower severity and a low EPSS score (2.32%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 2.32% probability · 83th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- underconstruction project/underconstruction
- Source
- security@wordfence.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.