What’s Vulnerable › Vulnerabilities

CVE-2024-31306: WordPress Essential Blocks plugin <= 4.5.3 - Cross Site Scripting (XSS) vulnerability

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-04-07 · updated 2026-06-17
• Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPDeveloper Essential Blocks for Gutenberg allows Stored XSS.This issue affects Essential Blocks for Gutenberg: from n/a through 4.5.3.

Affected products

• wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns: before 4.5.4 — fixed in 4.5.4

How to fix

Upgrade to a fixed version: wpdevteam Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns 4.5.4. Check the vendor advisory for mitigations.

References

• https://patchstack.com/database/vulnerability/essential-blocks/wordpress-essential-blocks-plugin-4-5-3-cross-site-scripting-xss-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/essential-blocks/wordpress-essential-blocks-plugin-4-5-3-cross-site-scripting-xss-vulnerability?_s_id=cve

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