Stored Cross-Site Scripting in SendPress Newsletters Plugin for WordPress
CVE-2023-5660

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Sendpress Newsletters
Vendor
CVE Published:
7 November 2023

What is CVE-2023-5660?

The SendPress Newsletters plugin for WordPress suffers from a Stored Cross-Site Scripting vulnerability due to inadequate input validation and output sanitization on user-supplied attributes within its shortcode. This flaw allows authenticated attackers with contributor-level permissions or higher to inject and execute arbitrary scripts within pages accessed by users. As a result, this could lead to severe security issues, including session hijacking or unwarranted actions performed on behalf of users.

Affected Version(s)

SendPress Newsletters * <= 1.22.3.31

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/sendpress/tags...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lana Codes
.