Arbitrary file upload in Kaswara Project
CVE-2021-24284
The Kaswara Modern VC Addons WordPress plugin through 3.0.1 allows unauthenticated arbitrary file upload via the 'uploadFontIcon' AJAX action. The supplied zipfile being unzipped in the wp-content/uploads/kaswara/fonts_icon directory with no checks for malicious files such as PHP.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.421 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.421 · newest: 0.421 · change: 0.000
Affected products
- Kaswara Project
- Sayenthemes Kaswara Modern Vc Addons — versions 3.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/8d66e338-a88f-4610-8d12-43e8be2da8c5 (Exploit, Third Party Advisory)
- codecanyon.net/item/kaswara-modern-visual-composer-addons/19341477 (Product, Third Party Advisory)
- packetstormsecurity.com/files/167743/WordPress-Kaswara-Modern-WPBakery-Page-Bui… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24284?
- CVE-2021-24284 is a critical-severity vulnerability in Kaswara Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-05-14.
- How severe is CVE-2021-24284?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-24284 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.