CVE Vulnerability

CVE-2021-34658

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://plugins.trac.wordpress.org/browser/simple-popup-newsletter/trunk/simple-popup-newsletter.php#L319 Exploit Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34658 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:keszites:simple_popup_newsletter:*:*:*:*:*:wordpress:*:*
Information

Published : 2021-08-16 07:15

Updated : 2021-08-23 09:13

NVD link : CVE-2021-34658

Mitre link : CVE-2021-34658

Products Affected
No products.
CWE
CWE-79