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CVE-2023-4893: crayon-syntax-highlighter vulnerability
CVE-2023-4893: medium vulnerability affecting crayon-syntax-highlighter. Check CVSS, KEV status, business impact and recommended administrator actions.
- CVSS
- 6.4 MEDIUM
- EPSS
- 23.89%
- Known exploited
- not in KEV
- Product
- crayon-syntax-highlighter
What is known
The Crayon Syntax Highlighter plugin for WordPress is vulnerable to Server Side Request Forgery via the 'crayon' shortcode in versions up to, and including, 2.8.4. This can allow authenticated attackers with contributor-level permissions or above to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
Business impact
Successful exploitation of CVE-2023-4893, a medium vulnerability (CVSS 6.4) affecting crayon-syntax-highlighter, 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 crayon-syntax-highlighter 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.