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CVE-2023-5877

Servit Affiliate-toolkit broken access control

9.8 CRITICALPublic exploitEPSS 0.90%
  1. Published1 Jan 2024

Description

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Servit Affiliate-toolkit< 3.4.3

Remediation

Fixed in
Servit Affiliate-toolkit≥ 3.4.3

References

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Frequently asked

Is CVE-2023-5877 being actively exploited?

CVE-2023-5877 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.90%.

How severe is CVE-2023-5877?

CVE-2023-5877 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.90% probability of exploitation.

Which products are affected by CVE-2023-5877?

Affected products include Servit Affiliate-toolkit.

How do I fix CVE-2023-5877?

Upgrade affected software to a fixed version, for example Servit Affiliate-toolkit 3.4.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-5877 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.