Simple Popup Newsletter <= 1.4.7 Reflected Cross-Site Scripting
CVE-2021-34658
6.1MEDIUM
Summary
The Simple Popup Newsletter WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/simple-popup-newsletter.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.7.
Affected Version(s)
Simple Popup Newsletter 1.4.7
References
CVSS V3.1
Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed
Timeline
Vulnerability published
Vulnerability Reserved
Credit
p7e4