What’s Vulnerable › Vulnerabilities

CVE-2021-24240: Business Hours Pro <= 5.5.0 - Unauthenticated Arbitrary File Upload to RCE

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-22 · updated 2026-06-17
• Weakness: CWE-434

Description

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.

Affected products

• Business Hours Pro: through 5.5.0

References

• https://codecanyon.net/item/business-hours-pro-wordpress-plugin/9414879
• https://wpscan.com/vulnerability/10528cb2-12a1-43f7-9b7d-d75d18fdf5bb
• https://codecanyon.net/item/business-hours-pro-wordpress-plugin/9414879
• https://wpscan.com/vulnerability/10528cb2-12a1-43f7-9b7d-d75d18fdf5bb

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