Vulnerability Details : CVE-2021-38320
The simpleSAMLphp Authentication WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/simplesamlphp-authentication.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 0.7.0.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-38320
- Simplesamlphp Authentication Project » Simplesamlphp Authentication » For WordpressVersions up to, including, (<=) 0.7.0cpe:2.3:a:simplesamlphp_authentication_project:simplesamlphp_authentication:*:*:*:*:*:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-38320
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-38320
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
Wordfence |
CWE ids for CVE-2021-38320
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security@wordfence.com (Secondary)
References for CVE-2021-38320
-
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38320
Vulnerability Advisories - WordfenceThird Party Advisory
-
https://plugins.trac.wordpress.org/browser/simplesamlphp-authentication/tags/0.7.0/simplesamlphp-authentication.php#L307
simplesamlphp-authentication.php in simplesamlphp-authentication/tags/0.7.0 – WordPress Plugin RepositoryExploit;Third Party Advisory
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