Arbitrary file upload in Simple Schools Staff Directory Project
CVE-2021-24663
The Simple Schools Staff Directory WordPress plugin through 1.1 does not validate uploaded logo pictures to ensure that are indeed images, allowing high privilege users such as admin to upload arbitrary file like PHP, leading to RCE
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Simple Schools Staff Directory Project
- Simple Schools Staff Directory — versions 1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/8b5b5b57-50c5-4cd8-9171-168c3e9df46a (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24663?
- CVE-2021-24663 is a high-severity vulnerability in Simple Schools Staff Directory Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2021-09-20.
- How severe is CVE-2021-24663?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2021-24663 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.