CVE-2024-5439

MEDIUM

Blocksy <= 2.0.50 - Unauthenticated Reflected Cross-Site Scripting via Custom URL Parameter

Title source: llm

Description

The Blocksy theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the custom_url parameter in all versions up to, and including, 2.0.50 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

References (2)

Core 2

Core References

Patch

https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=229705%40blocksy%2F2.0.51&old=228990%40blocksy%2F2.0.50

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/c05687f4-5ea2-4226-982f-c3499f204685?source=cve

Scores

CVSS v3 6.4

EPSS 0.0029

EPSS Percentile 20.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-20 CWE-79

Status published

Products (2)

creativethemes/blocksy < 2.0.51

creativethemeshq/Blocksy < 2.0.50

Published Jun 05, 2024

Tracked Since Feb 18, 2026