Stored Cross-Site Scripting vulnerability in Newsletter plugin for WordPress
CVE-2023-4772

5.4MEDIUM

Key Information:

Vendor
Wordpress
Status
Newsletter – Send awesome emails from WordPress
Vendor
CVE Published:
7 September 2023

Summary

The Newsletter plugin for WordPress, versions up to and including 7.8.9, is susceptible to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping on attributes provided by users. This vulnerability enables authenticated attackers with at least contributor-level permissions to insert malicious web scripts, which can execute whenever a user visits the compromised pages. This presents a significant risk, as it can lead to unauthorized access and data compromise, impacting user trust.

Affected Version(s)

Newsletter – Send awesome emails from WordPress * <= 7.8.9

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/newsletter/tag...
https://plugins.trac.wordpress.org/changeset/2955097/news...

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lana Codes
.