CVE-2023-5877: affiliate-toolkit vulnerability

CVE-2023-5877: critical vulnerability affecting affiliate-toolkit. Check CVSS, KEV status, business impact and recommended administrator actions.
CVE-2023-5877CVSS 9.8Web

CVE-2023-5877: affiliate-toolkit vulnerability

CVE-2023-5877: critical vulnerability affecting affiliate-toolkit. Check CVSS, KEV status, business impact and recommended administrator actions.

CVSS
9.8 CRITICAL
EPSS
55.91%
Known exploited
not in KEV
Product
affiliate-toolkit

What is known

The affiliate-toolkit WordPress plugin before 3.4.3 lacks authorization and authentication for requests to it's affiliate-toolkit-starter/tools/atkp_imagereceiver.php endpoint, allowing unauthenticated visitors to make requests to arbitrary URL's, including RFC1918 private addresses, leading to a Server Side Request Forgery (SSRF) issue.

Business impact

Successful exploitation of CVE-2023-5877, a critical vulnerability (CVSS 9.8) affecting affiliate-toolkit, 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 affiliate-toolkit 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

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