CVE-2023-5877

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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.90% chance of exploitation in the next 30 days, 57th percentile

Published

2024-01-01

Updated

2025-06-03

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/39ed4934-3d91-4924-8acc-25759fef9e81

References

• CVE Record
• NVD entry

Related

• CVE-2023-5874
• CVE-2023-5882
• CVE-2023-5873
• CVE-2023-5884
• CVE-2023-5866
• CVE-2023-5886