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CVE-2024-7877: simply schedule appointments vulnerability
CVE-2024-7877: medium vulnerability affecting simply schedule appointments. Check CVSS, KEV status, business impact and recommended administrator actions.
- CVSS
- 4.8 MEDIUM
- EPSS
- 28.36%
- Known exploited
- not in KEV
- Product
- simply schedule appointments
What is known
The Appointment Booking Calendar — Simply Schedule Appointments Booking Plugin WordPress plugin before 1.6.7.55 does not sanitise and escape some of its Notification settings, which could allow high privilege users such as admin to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed
Business impact
Successful exploitation of CVE-2024-7877, a medium vulnerability (CVSS 4.8) affecting simply schedule appointments, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.
Recommended administrator action
Confirm whether simply schedule appointments is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.