CVE-2023-23735: WordPress Spectra – WordPress Gutenberg Blocks plugin <= 2.3.0 - Unauthenticated Email HTML Injection Vulnerability

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-03 · updated 2026-06-17
Weakness: CWE-80

Description

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Brainstorm Force Spectra allows Code Injection.This issue affects Spectra: from n/a through 2.3.0.

Affected products

Brainstorm Force Spectra: before 2.3.1 — fixed in 2.3.1

How to fix

Upgrade to a fixed version: Brainstorm Force Spectra 2.3.1. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/ultimate-addons-for-gutenberg/wordpress-spectra-wordpress-gutenberg-blocks-plugin-2-3-0-unauthenticated-email-html-injection-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/ultimate-addons-for-gutenberg/wordpress-spectra-wordpress-gutenberg-blocks-plugin-2-3-0-unauthenticated-email-html-injection-vulnerability?_s_id=cve

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