CVE-2021-24663 json
Simple School Staff Directory <= 1.1 - Admin+ Arbitrary File Upload
published 2021-09-20 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11575
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
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
Exploit prediction
1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/8b5b5b57-50c5-4cd8-9171-168c3e9df46a referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Unknown Simple Schools Staff Directory
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
- Technology feeds
References
-
wpscan.com
/vulnerability/8b5b5b57-50c5-4cd8-9171-168c3e9df46a
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24663
- NVD CVE-2021-24663
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