Arbitrary file upload in Yoga Class Registration System
CVE-2023-1721
Yoga Class Registration System version 1.0 allows an administrator to execute commands on the server. This is possible because the application does not correctly validate the thumbnails of the classes uploaded by the administrators.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Yoga Class Registration System — versions 1.0
- Yoga Class Registration System Project — versions 1.0
Weakness classification (CWE)
References
- fluidattacks.com/advisories/blessd/ (Exploit, Third Party Advisory)
- www.sourcecodester.com/php/16097/yoga-class-registration-system-php-and-mysql-f… (Product)
Frequently asked questions
- What is CVE-2023-1721?
- CVE-2023-1721 is a critical-severity vulnerability in Yoga Class Registration System, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.1/10. Published 2023-06-24.
- How severe is CVE-2023-1721?
- Critical severity. CVSS v3 base score is 9.1 out of 10.