CVE-2023-4757: staff \/ employee business directory for active directory vulnerability

What is known

The Staff / Employee Business Directory for Active Directory WordPress plugin before 1.2.3 does not sanitize and escape data returned from the LDAP server before rendering it in the page, allowing users who can control their entries in the LDAP directory to inject malicious javascript which could be used against high-privilege users such as a site admin.

Business impact

Successful exploitation of CVE-2023-4757, a medium vulnerability (CVSS 5.4) affecting staff \/ employee business directory for active directory, 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 staff \/ employee business directory for active directory 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.

Sources

• NVD
• Reference