WordPress Plugin Vulnerabilities

Essential Blocks < 4.5.2 - Contributor+ Stored XSS

Description

The plugin is vulnerable to Stored Cross-Site Scripting via the blockId parameter due to insufficient input sanitization and output escaping, allowing authenticated attackers, with contributor access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affects Plugins

Plugin icon
essential-blocks
Fixed in 4.5.2

References

CVE
CVE-2024-1854
URL
https://www.wordfence.com/threat-intel/vulnerabilities/id/86364b6f-dec8-48d8-9d2d-de1ee4901872

Classification

Type
XSS
OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79
CVSS
5.9 (medium)

Miscellaneous

Original Researcher
Ngô Thiên An (ancorn_), Dau Hoang Tai
Verified
No
WPVDB ID
f112800e-ca7c-4502-959e-347a0f6fc625

Timeline

Publicly Published
2024-02-28 (about 2 years ago)
Added
2024-02-29 (about 2 years ago)
Last Updated
2024-02-29 (about 2 years ago)

Other

Published
Title
Published
2024-05-06
Title
raindrops < 1.700 - Authenticated (Contributor+) Stored Cross-Site Scripting
Published
2025-03-28
Title
WP-OGP <= 1.0.5 - Authenticated (Administrator+) Stored Cross-Site Scripting
Published
2023-01-19
Title
Amr Shortcode Any Widget <= 4.0 - Contributor+ Stored XSS
Published
2025-06-27
Title
Leyka <= 3.31.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
Published
2024-03-27
Title
WP Staging (Free < 3.4.0, Pro < 5.4.0) - Admin+ Stored XSS