Newsletter – Send awesome emails from WordPress <= 7.4.4 - Reflected Cross-Site Scripting

6.1
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2022-1756
CVSS 6.1 (Medium)
Publicly Published May 23, 2022
Last Updated January 22, 2024
Researcher PHYO WIN SHEIN

Description

The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses addslashes, and most modern browsers automatically URLEncode requests, this is still vulnerable to Reflected XSS in older browsers such as Internet Explorer 9 or below.

References

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Vulnerability Details for Newsletter – Send awesome emails from WordPress

Software Type Plugin
Software Slug newsletter (view on wordpress.org)
Patched? Yes
Remediation Update to version 7.4.5, or a newer patched version
Affected Version
  • <= 7.4.4
Patched Version
  • 7.4.5

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