XSS in Creativethemes Blocksy
CVE-2024-5439
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Creativethemes Blocksy
- Creativethemeshq Blocksy — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/c05687f4-5ea2-4226-982f-c3499… (Third Party Advisory)
- themes.trac.wordpress.org/changeset (Patch)
Frequently asked questions
- What is CVE-2024-5439?
- CVE-2024-5439 is a medium-severity vulnerability in Creativethemes Blocksy, classified under Improper Input Validation. CVSS score: 6.4/10. Published 2024-06-05.
- How severe is CVE-2024-5439?
- Medium severity. CVSS v3 base score is 6.4 out of 10.