The EM Cost Calculator plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to the plugin storing attacker-controlled 'customer_name' data and rendering it in the admin customer list without output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the EMCC Customers page.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
References 5
https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-c…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-c…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-c…
security@wordfence.com
https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-c…
security@wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/1eef338a-ccc7-41a2-b8…
security@wordfence.com