Arbitrary file upload in Aivahthemes Business Hours Pro
CVE-2021-24240
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.
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: 0.030 (87.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
- Aivahthemes Business Hours Pro
- Business Hours Pro — versions 5.5.0
Weakness classification (CWE)
Public proof-of-concept exploits
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)
Frequently asked questions
- What is CVE-2021-24240?
- CVE-2021-24240 is a critical-severity vulnerability in Aivahthemes Business Hours Pro, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-04-22.
- How severe is CVE-2021-24240?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-24240 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.