Spectra – WordPress Gutenberg Blocks <= 2.3.1 - HTML Injection in Emails

Improper Input Validation
CVE CVE-2023-23735
CVSS Medium (6.5)
Publicly Published January 23, 2023
Last Updated January 22, 2024
Researcher Dave Jong
Description

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to HTML injection via Email in versions up to, and including, 2.3.1. This is due to insufficient input validation and output escaping of content being sent via email. This makes it possible for unauthenticated attackers to send emails to unsuspecting victims with content containing HTML.

References

1 affected software package

Software Type Plugin
Software Slug ultimate-addons-for-gutenberg (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.3.1
Patched Version
  • 2.3.2
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