CVE-2021-24240 json
Business Hours Pro <= 5.5.0 - Unauthenticated Arbitrary File Upload to RCE
published 2021-04-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11154
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
The Business Hours Pro WordPress plugin through 5.5.0 allows a remote attacker to upload arbitrary files using its manual update functionality, leading to an unauthenticated remote code execution vulnerability.
Exploit prediction
3.04% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Unknown Business Hours Pro
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
- Technology feeds
References
-
wpscan.com
/vulnerability/10528cb2-12a1-43f7-9b7d-d75d18fdf5bb
third-party-advisory
-
codecanyon.net
/item/business-hours-pro-wordpress-plugin/9414879
product, third-party-advisory
Sources
- CVE List CVE-2021-24240
- NVD CVE-2021-24240
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