XSS in Creativethemes Blocksy
CVE-2024-4943
The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘has_field_link_rel’ parameter in all versions up to, and including, 2.0.46 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability class: XSS (Cross-Site Scripting)
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 (16.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.3% 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/dc7099d7-94fd-42be-a921-bfcad… (Third Party Advisory)
- themes.trac.wordpress.org/changeset (Patch)
Frequently asked questions
- What is CVE-2024-4943?
- CVE-2024-4943 is a medium-severity vulnerability in Creativethemes Blocksy, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-05-21.
- How severe is CVE-2024-4943?
- Medium severity. CVSS v3 base score is 6.4 out of 10.