CVE-2024-6362: ultimate blocks vulnerability

What is known

The Ultimate Blocks WordPress plugin before 3.2.0 does not validate and escape some of its post-grid block attributes before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Business impact

Successful exploitation of CVE-2024-6362, a medium vulnerability (CVSS 4.6) affecting ultimate blocks, 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 ultimate blocks 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