Business Hours Pro <= 5.5.0 - Unauthenticated Arbitrary File Upload to RCE
Priority MEDIUM 48CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
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.
Why it matters now
EPSS 0.03037 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Business Hours Pro | 5.5.0 – 5.5.0 | — | No fix listed | CNA |
- Business Hours Pro VendorUnknown Affected 5.5.0 – 5.5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:aivahthemes:business_hours_pro:*:*:*:*:*:wordpress:*:* | up to 5.5.0 | Vulnerable | AivahThemes |
- cpe:2.3:a:aivahthemes:business_hours_pro:*:*:*:*:*:wordpress:*:* Versions up to 5.5.0 Vulnerable ·AivahThemes
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24240
- 2026-10-03 Alias added: GHSA-mwhf-wq2w-263x
References
Sources
- CVE-2021-24240 · CVE Program
- CVE-2021-24240 · NVD
- FIRST EPSS
- GHSA-mwhf-wq2w-263x · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences